158949315 has 48 divisors (see below), whose sum is σ = 316742400. Its totient is φ = 72230976.

The previous prime is 158949311. The next prime is 158949317. The reversal of 158949315 is 513949851.

158949315 is a `hidden beast` number, since 158 + 9 + 493 + 1 + 5 = 666.

It is not a de Polignac number, because 158949315 - 2² = 158949311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (158949311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54976 + ... + 57794.

It is an arithmetic number, because the mean of its divisors is an integer number (6598800).

Almost surely, 2^158949315 is an apocalyptic number.

158949315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

158949315 is a deficient number, since it is larger than the sum of its proper divisors (157793085).

158949315 is a wasteful number, since it uses less digits than its factorization.

158949315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016 (or 3013 counting only the distinct ones).

The product of its digits is 194400, while the sum is 45.

The square root of 158949315 is about 12607.5102617448. The cubic root of 158949315 is about 541.6925801672.

The spelling of 158949315 in words is "one hundred fifty-eight million, nine hundred forty-nine thousand, three hundred fifteen".