155424632 has 32 divisors (see below), whose sum is σ = 320440320. Its totient is φ = 70086240.

The previous prime is 155424623. The next prime is 155424641. The reversal of 155424632 is 236424551.

155424632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (155424623) and next prime (155424641).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4223 + ... + 18129.

It is an arithmetic number, because the mean of its divisors is an integer number (10013760).

Almost surely, 2^155424632 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 155424632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160220160).

155424632 is an abundant number, since it is smaller than the sum of its proper divisors (165015688).

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

155424632 is a wasteful number, since it uses less digits than its factorization.

155424632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14051 (or 14047 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 155424632 is about 12466.9415655966. The cubic root of 155424632 is about 537.6586235998.

The spelling of 155424632 in words is "one hundred fifty-five million, four hundred twenty-four thousand, six hundred thirty-two".