155173996 has 12 divisors (see below), whose sum is σ = 276006640. Its totient is φ = 76314960.

The previous prime is 155173961. The next prime is 155173999. The reversal of 155173996 is 699371551.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (155173999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317736 + ... + 318223.

Almost surely, 2^155173996 is an apocalyptic number.

It is an amenable number.

155173996 is a deficient number, since it is larger than the sum of its proper divisors (120832644).

155173996 is a wasteful number, since it uses less digits than its factorization.

155173996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636024 (or 636022 counting only the distinct ones).

The product of its digits is 255150, while the sum is 46.

The square root of 155173996 is about 12456.8854855457. The cubic root of 155173996 is about 537.3694607096.

The spelling of 155173996 in words is "one hundred fifty-five million, one hundred seventy-three thousand, nine hundred ninety-six".