155480874 has 32 divisors (see below), whose sum is σ = 325140480. Its totient is φ = 49473072.

The previous prime is 155480867. The next prime is 155480917. The reversal of 155480874 is 478084551.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98439 + ... + 100005.

It is an arithmetic number, because the mean of its divisors is an integer number (10160640).

Almost surely, 2^155480874 is an apocalyptic number.

155480874 is an abundant number, since it is smaller than the sum of its proper divisors (169659606).

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

155480874 is a wasteful number, since it uses less digits than its factorization.

155480874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314.

The product of its (nonzero) digits is 179200, while the sum is 42.

The square root of 155480874 is about 12469.1970070250. The cubic root of 155480874 is about 537.7234682113.

It can be divided in two parts, 1554 and 80874, that added together give a palindrome (82428).

The spelling of 155480874 in words is "one hundred fifty-five million, four hundred eighty thousand, eight hundred seventy-four".