155265042 has 16 divisors (see below), whose sum is σ = 324031680. Its totient is φ = 49504752.

The previous prime is 155265023. The next prime is 155265053. The reversal of 155265042 is 240562551.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562417 + ... + 562692.

It is an arithmetic number, because the mean of its divisors is an integer number (20251980).

Almost surely, 2^155265042 is an apocalyptic number.

155265042 is an abundant number, since it is smaller than the sum of its proper divisors (168766638).

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

155265042 is a wasteful number, since it uses less digits than its factorization.

155265042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125137.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 155265042 is about 12460.5393944243. The cubic root of 155265042 is about 537.4745379682.

The spelling of 155265042 in words is "one hundred fifty-five million, two hundred sixty-five thousand, forty-two".