155330532 has 36 divisors (see below), whose sum is σ = 448733376. Its totient is φ = 44380080.

The previous prime is 155330531. The next prime is 155330537. The reversal of 155330532 is 235033551.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 155330496 and 155330505.

It is not an unprimeable number, because it can be changed into a prime (155330531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307944 + ... + 308447.

It is an arithmetic number, because the mean of its divisors is an integer number (12464816).

Almost surely, 2^155330532 is an apocalyptic number.

155330532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155330532 is an abundant number, since it is smaller than the sum of its proper divisors (293402844).

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

155330532 is a wasteful number, since it uses less digits than its factorization.

155330532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616408 (or 616403 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 155330532 is about 12463.1670132435. The cubic root of 155330532 is about 537.5500953490.

The spelling of 155330532 in words is "one hundred fifty-five million, three hundred thirty thousand, five hundred thirty-two".