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145671108 = 223113197367
BaseRepresentation
bin10001010111011…
…00001111000100
3101011002212012020
420223230033010
5244242433413
622242123140
73416120052
oct1053541704
9334085166
10145671108
1175255950
12409504b0
132424472b
14154bd1d2
15cbc6c23
hex8aec3c4

145671108 has 96 divisors (see below), whose sum is σ = 387760128. Its totient is φ = 42163200.

The previous prime is 145671107. The next prime is 145671133. The reversal of 145671108 is 801176541.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (145671107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 396741 + ... + 397107.

It is an arithmetic number, because the mean of its divisors is an integer number (4039168).

Almost surely, 2145671108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145671108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193880064).

145671108 is an abundant number, since it is smaller than the sum of its proper divisors (242089020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145671108 is a wasteful number, since it uses less digits than its factorization.

145671108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 145671108 is about 12069.4286525916. The cubic root of 145671108 is about 526.1680514760.

The spelling of 145671108 in words is "one hundred forty-five million, six hundred seventy-one thousand, one hundred eight".

Divisors: 1 2 3 4 6 11 12 22 31 33 44 62 66 93 97 124 132 186 194 291 341 367 372 388 582 682 734 1023 1067 1101 1164 1364 1468 2046 2134 2202 3007 3201 4037 4092 4268 4404 6014 6402 8074 9021 11377 12028 12111 12804 16148 18042 22754 24222 33077 34131 35599 36084 45508 48444 66154 68262 71198 99231 106797 125147 132308 136524 142396 198462 213594 250294 375441 391589 396924 427188 500588 750882 783178 1103569 1174767 1501764 1566356 2207138 2349534 3310707 4414276 4699068 6621414 12139259 13242828 24278518 36417777 48557036 72835554 145671108