155403364 has 12 divisors (see below), whose sum is σ = 283780224. Its totient is φ = 74323304.

The previous prime is 155403343. The next prime is 155403377. The reversal of 155403364 is 463304551.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844492 + ... + 844675.

It is an arithmetic number, because the mean of its divisors is an integer number (23648352).

Almost surely, 2^155403364 is an apocalyptic number.

It is an amenable number.

155403364 is a deficient number, since it is larger than the sum of its proper divisors (128376860).

155403364 is a wasteful number, since it uses less digits than its factorization.

155403364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689194 (or 1689192 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 155403364 is about 12466.0885605710. The cubic root of 155403364 is about 537.6340984327.

The spelling of 155403364 in words is "one hundred fifty-five million, four hundred three thousand, three hundred sixty-four".