155047632 has 40 divisors (see below), whose sum is σ = 401001120. Its totient is φ = 51623040.

The previous prime is 155047589. The next prime is 155047661. The reversal of 155047632 is 236740551.

It is a junction number, because it is equal to n+sod(n) for n = 155047593 and 155047602.

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, 65119 + ... + 67457.

It is an arithmetic number, because the mean of its divisors is an integer number (10025028).

Almost surely, 2^155047632 is an apocalyptic number.

155047632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155047632 is an abundant number, since it is smaller than the sum of its proper divisors (245953488).

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

155047632 is a wasteful number, since it uses less digits than its factorization.

155047632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731 (or 3725 counting only the distinct ones).

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

The square root of 155047632 is about 12451.8123982013. The cubic root of 155047632 is about 537.2235544003.

The spelling of 155047632 in words is "one hundred fifty-five million, forty-seven thousand, six hundred thirty-two".