155413632 has 64 divisors (see below), whose sum is σ = 450358560. Its totient is φ = 47093760.

The previous prime is 155413607. The next prime is 155413637. The reversal of 155413632 is 236314551.

155413632 is nontrivially palindromic in base 7.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×155413632² = 48306794022862848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 155413632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155413637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14173 + ... + 22620.

Almost surely, 2^155413632 is an apocalyptic number.

155413632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155413632 is an abundant number, since it is smaller than the sum of its proper divisors (294944928).

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

155413632 is a wasteful number, since it uses less digits than its factorization.

155413632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36821 (or 36809 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 155413632 is about 12466.5003910480. The cubic root of 155413632 is about 537.6459392432.

The spelling of 155413632 in words is "one hundred fifty-five million, four hundred thirteen thousand, six hundred thirty-two".