155054252 has 6 divisors (see below), whose sum is σ = 271344948. Its totient is φ = 77527124.

The previous prime is 155054227. The next prime is 155054311. The reversal of 155054252 is 252450551.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19381778 + ... + 19381785.

It is an arithmetic number, because the mean of its divisors is an integer number (45224158).

Almost surely, 2^155054252 is an apocalyptic number.

It is an amenable number.

155054252 is a deficient number, since it is larger than the sum of its proper divisors (116290696).

155054252 is a wasteful number, since it uses less digits than its factorization.

155054252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38763567 (or 38763565 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 155054252 is about 12452.0782201205. The cubic root of 155054252 is about 537.2312001568.

The spelling of 155054252 in words is "one hundred fifty-five million, fifty-four thousand, two hundred fifty-two".