155074856 has 16 divisors (see below), whose sum is σ = 297528000. Its totient is φ = 75734064.

The previous prime is 155074853. The next prime is 155074859. The reversal of 155074856 is 658470551.

It is an interprime number because it is at equal distance from previous prime (155074853) and next prime (155074859).

It is not an unprimeable number, because it can be changed into a prime (155074853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225056 + ... + 225743.

It is an arithmetic number, because the mean of its divisors is an integer number (18595500).

Almost surely, 2^155074856 is an apocalyptic number.

It is an amenable number.

155074856 is a deficient number, since it is larger than the sum of its proper divisors (142453144).

155074856 is a wasteful number, since it uses less digits than its factorization.

155074856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450848 (or 450844 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 41.

The square root of 155074856 is about 12452.9055244148. The cubic root of 155074856 is about 537.2549953150.

The spelling of 155074856 in words is "one hundred fifty-five million, seventy-four thousand, eight hundred fifty-six".