155155232 has 12 divisors (see below), whose sum is σ = 305461926. Its totient is φ = 77577600.

The previous prime is 155155229. The next prime is 155155237. The reversal of 155155232 is 232551551.

It can be written as a sum of positive squares in only one way, i.e., 110586256 + 44568976 = 10516^2 + 6676^2 .

It is a junction number, because it is equal to n+sod(n) for n = 155155195 and 155155204.

It is not an unprimeable number, because it can be changed into a prime (155155237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2424269 + ... + 2424332.

Almost surely, 2^155155232 is an apocalyptic number.

It is an amenable number.

155155232 is a deficient number, since it is larger than the sum of its proper divisors (150306694).

155155232 is an equidigital number, since it uses as much as digits as its factorization.

155155232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4848611 (or 4848603 counting only the distinct ones).

The product of its digits is 7500, while the sum is 29.

The square root of 155155232 is about 12456.1323050135. The cubic root of 155155232 is about 537.3477998487.

The spelling of 155155232 in words is "one hundred fifty-five million, one hundred fifty-five thousand, two hundred thirty-two".