158214855 has 32 divisors (see below), whose sum is σ = 264314880. Its totient is φ = 80720640.

The previous prime is 158214851. The next prime is 158214863. The reversal of 158214855 is 558412851.

It is not a de Polignac number, because 158214855 - 2² = 158214851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158214851) 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, 39474 + ... + 43296.

It is an arithmetic number, because the mean of its divisors is an integer number (8259840).

Almost surely, 2^158214855 is an apocalyptic number.

158214855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

158214855 is a deficient number, since it is larger than the sum of its proper divisors (106100025).

158214855 is a wasteful number, since it uses less digits than its factorization.

158214855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951.

The product of its digits is 64000, while the sum is 39.

The square root of 158214855 is about 12578.3486595022. The cubic root of 158214855 is about 540.8569555176.

The spelling of 158214855 in words is "one hundred fifty-eight million, two hundred fourteen thousand, eight hundred fifty-five".