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145194084 = 22327576167
BaseRepresentation
bin10001010011101…
…11110001100100
3101010012121211200
420221313301210
5244132202314
622224002500
73412062240
oct1051676144
9333177750
10145194084
1174a5a512
1240760430
1324108579
14153d7420
15cb30709
hex8a77c64

145194084 has 36 divisors (see below), whose sum is σ = 419450304. Its totient is φ = 41483952.

The previous prime is 145194061. The next prime is 145194089. The reversal of 145194084 is 480491541.

145194084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (145194089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287832 + ... + 288335.

Almost surely, 2145194084 is an apocalyptic number.

145194084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

145194084 is an abundant number, since it is smaller than the sum of its proper divisors (274256220).

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

145194084 is a wasteful number, since it uses less digits than its factorization.

145194084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576184 (or 576179 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 145194084 is about 12049.6507833215. The cubic root of 145194084 is about 525.5930821355.

The spelling of 145194084 in words is "one hundred forty-five million, one hundred ninety-four thousand, eighty-four".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 576167 1152334 1728501 2304668 3457002 4033169 5185503 6914004 8066338 10371006 12099507 16132676 20742012 24199014 36298521 48398028 72597042 145194084