155153506 has 32 divisors (see below), whose sum is σ = 253517760. Its totient is φ = 70963776.

The previous prime is 155153497. The next prime is 155153507. The reversal of 155153506 is 605351551.

It is a super-2 number, since 2×155153506² = 48145220848184072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155153507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228840 + ... + 229516.

It is an arithmetic number, because the mean of its divisors is an integer number (7922430).

Almost surely, 2^155153506 is an apocalyptic number.

155153506 is a deficient number, since it is larger than the sum of its proper divisors (98364254).

155153506 is a wasteful number, since it uses less digits than its factorization.

155153506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898.

The product of its (nonzero) digits is 11250, while the sum is 31.

The square root of 155153506 is about 12456.0630216774. The cubic root of 155153506 is about 537.3458072943.

The spelling of 155153506 in words is "one hundred fifty-five million, one hundred fifty-three thousand, five hundred six".