155726232 has 32 divisors (see below), whose sum is σ = 390511680. Its totient is φ = 51749280.

The previous prime is 155726231. The next prime is 155726251. The reversal of 155726232 is 232627551.

It is a junction number, because it is equal to n+sod(n) for n = 155726193 and 155726202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155726231) 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, 1858 + ... + 17745.

It is an arithmetic number, because the mean of its divisors is an integer number (12203490).

Almost surely, 2^155726232 is an apocalyptic number.

155726232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155726232 is an abundant number, since it is smaller than the sum of its proper divisors (234785448).

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

155726232 is a wasteful number, since it uses less digits than its factorization.

155726232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19943 (or 19939 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 155726232 is about 12479.0316932044. The cubic root of 155726232 is about 538.0061726834.

The spelling of 155726232 in words is "one hundred fifty-five million, seven hundred twenty-six thousand, two hundred thirty-two".