155054274 has 16 divisors (see below), whose sum is σ = 310778208. Its totient is φ = 51573152.

The previous prime is 155054227. The next prime is 155054311. The reversal of 155054274 is 472450551.

155054274 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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, 24867 + ... + 30470.

It is an arithmetic number, because the mean of its divisors is an integer number (19423638).

Almost surely, 2^155054274 is an apocalyptic number.

155054274 is an abundant number, since it is smaller than the sum of its proper divisors (155723934).

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

155054274 is a wasteful number, since it uses less digits than its factorization.

155054274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55809.

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 155054274 is about 12452.0791035072. The cubic root of 155054274 is about 537.2312255653.

The spelling of 155054274 in words is "one hundred fifty-five million, fifty-four thousand, two hundred seventy-four".