155418152 has 8 divisors (see below), whose sum is σ = 291409050. Its totient is φ = 77709072.

The previous prime is 155418149. The next prime is 155418161. The reversal of 155418152 is 251814551.

It can be written as a sum of positive squares in only one way, i.e., 152127556 + 3290596 = 12334^2 + 1814^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9713627 + ... + 9713642.

Almost surely, 2^155418152 is an apocalyptic number.

It is an amenable number.

155418152 is a deficient number, since it is larger than the sum of its proper divisors (135990898).

155418152 is a wasteful number, since it uses less digits than its factorization.

155418152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19427275 (or 19427271 counting only the distinct ones).

The product of its digits is 8000, while the sum is 32.

The square root of 155418152 is about 12466.6816755703. The cubic root of 155418152 is about 537.6511514331.

The spelling of 155418152 in words is "one hundred fifty-five million, four hundred eighteen thousand, one hundred fifty-two".