155604236 has 12 divisors (see below), whose sum is σ = 275004240. Its totient is φ = 77031600.

The previous prime is 155604191. The next prime is 155604257. The reversal of 155604236 is 632406551.

It is a super-2 number, since 2×155604236² = 48425356522287392, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192176 + ... + 192983.

It is an arithmetic number, because the mean of its divisors is an integer number (22917020).

Almost surely, 2^155604236 is an apocalyptic number.

It is an amenable number.

155604236 is a deficient number, since it is larger than the sum of its proper divisors (119400004).

155604236 is a wasteful number, since it uses less digits than its factorization.

155604236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385264 (or 385262 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 155604236 is about 12474.1426959932. The cubic root of 155604236 is about 537.8656445547.

The spelling of 155604236 in words is "one hundred fifty-five million, six hundred four thousand, two hundred thirty-six".