155232672 has 48 divisors (see below), whose sum is σ = 465700032. Its totient is φ = 44352000.

The previous prime is 155232653. The next prime is 155232673. The reversal of 155232672 is 276232551.

155232672 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (155232673) 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, 114829 + ... + 116172.

It is an arithmetic number, because the mean of its divisors is an integer number (9702084).

Almost surely, 2^155232672 is an apocalyptic number.

155232672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155232672 is an abundant number, since it is smaller than the sum of its proper divisors (310467360).

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

155232672 is a wasteful number, since it uses less digits than its factorization.

155232672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231021 (or 231013 counting only the distinct ones).

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

The square root of 155232672 is about 12459.2404262860. The cubic root of 155232672 is about 537.4371840780.

The spelling of 155232672 in words is "one hundred fifty-five million, two hundred thirty-two thousand, six hundred seventy-two".