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145188408 = 2336049517
BaseRepresentation
bin10001010011101…
…10011000111000
3101010012100001110
420221312120320
5244132012113
622223520320
73412036551
oct1051663070
9333170043
10145188408
1174a56222
12407590a0
1324105b01
14153d5328
15cb2dbc3
hex8a76638

145188408 has 16 divisors (see below), whose sum is σ = 362971080. Its totient is φ = 48396128.

The previous prime is 145188403. The next prime is 145188427. The reversal of 145188408 is 804881541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145188401) 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 3 ways as a sum of consecutive naturals, for example, 3024735 + ... + 3024782.

Almost surely, 2145188408 is an apocalyptic number.

It is an amenable number.

145188408 is an abundant number, since it is smaller than the sum of its proper divisors (217782672).

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

145188408 is a wasteful number, since it uses less digits than its factorization.

145188408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6049526 (or 6049522 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 39.

The square root of 145188408 is about 12049.4152555217. The cubic root of 145188408 is about 525.5862331300.

The spelling of 145188408 in words is "one hundred forty-five million, one hundred eighty-eight thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 12 24 6049517 12099034 18148551 24198068 36297102 48396136 72594204 145188408