155501052 has 24 divisors (see below), whose sum is σ = 414669696. Its totient is φ = 44428848.

The previous prime is 155501041. The next prime is 155501063. The reversal of 155501052 is 250105551.

It is an interprime number because it is at equal distance from previous prime (155501041) and next prime (155501063).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925518 + ... + 925685.

It is an arithmetic number, because the mean of its divisors is an integer number (17277904).

Almost surely, 2^155501052 is an apocalyptic number.

155501052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

155501052 is an abundant number, since it is smaller than the sum of its proper divisors (259168644).

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

155501052 is a wasteful number, since it uses less digits than its factorization.

155501052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851217 (or 1851215 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 155501052 is about 12470.0060946256. The cubic root of 155501052 is about 537.7467287674.

The spelling of 155501052 in words is "one hundred fifty-five million, five hundred one thousand, fifty-two".