158275155 has 16 divisors (see below), whose sum is σ = 253854720. Its totient is φ = 84208608.

The previous prime is 158275099. The next prime is 158275171. The reversal of 158275155 is 551572851.

158275155 = T₁₄₆ + T₁₄₇ + ... + T₉₈₃.

It is a happy number.

It is not a de Polignac number, because 158275155 - 2⁸ = 158274899 is a prime.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6307 + ... + 18876.

It is an arithmetic number, because the mean of its divisors is an integer number (15865920).

Almost surely, 2^158275155 is an apocalyptic number.

158275155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

158275155 is a deficient number, since it is larger than the sum of its proper divisors (95579565).

158275155 is a wasteful number, since it uses less digits than its factorization.

158275155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25610.

The product of its digits is 70000, while the sum is 39.

The square root of 158275155 is about 12580.7454071688. The cubic root of 158275155 is about 540.9256585733.

The spelling of 158275155 in words is "one hundred fifty-eight million, two hundred seventy-five thousand, one hundred fifty-five".