158251155 has 32 divisors (see below), whose sum is σ = 265227264. Its totient is φ = 80420736.

The previous prime is 158251151. The next prime is 158251193. The reversal of 158251155 is 551152851.

It is not a de Polignac number, because 158251155 - 2² = 158251151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158251151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108642 + ... + 110088.

It is an arithmetic number, because the mean of its divisors is an integer number (8288352).

Almost surely, 2^158251155 is an apocalyptic number.

158251155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

158251155 is a deficient number, since it is larger than the sum of its proper divisors (106976109).

158251155 is a wasteful number, since it uses less digits than its factorization.

158251155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795.

The product of its digits is 10000, while the sum is 33.

The square root of 158251155 is about 12579.7915324539. The cubic root of 158251155 is about 540.8983161643.

The spelling of 158251155 in words is "one hundred fifty-eight million, two hundred fifty-one thousand, one hundred fifty-five".