155154432 has 48 divisors (see below), whose sum is σ = 413660520. Its totient is φ = 51716096.

The previous prime is 155154409. The next prime is 155154451. The reversal of 155154432 is 234451551.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 155154432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6483 + ... + 18770.

Almost surely, 2^155154432 is an apocalyptic number.

155154432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155154432 is an abundant number, since it is smaller than the sum of its proper divisors (258506088).

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

155154432 is an equidigital number, since it uses as much as digits as its factorization.

155154432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25278 (or 25258 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 155154432 is about 12456.1001922753. The cubic root of 155154432 is about 537.3468763027.

The spelling of 155154432 in words is "one hundred fifty-five million, one hundred fifty-four thousand, four hundred thirty-two".