158949465 has 16 divisors (see below), whose sum is σ = 255529536. Its totient is φ = 84369600.

The previous prime is 158949451. The next prime is 158949487. The reversal of 158949465 is 564949851.

It is not a de Polignac number, because 158949465 - 2⁴ = 158949449 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21946 + ... + 28275.

It is an arithmetic number, because the mean of its divisors is an integer number (15970596).

Almost surely, 2^158949465 is an apocalyptic number.

158949465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158949465 is a deficient number, since it is larger than the sum of its proper divisors (96580071).

158949465 is a wasteful number, since it uses less digits than its factorization.

158949465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50440.

The product of its digits is 1555200, while the sum is 51.

The square root of 158949465 is about 12607.5162105785. The cubic root of 158949465 is about 541.6927505651.

The spelling of 158949465 in words is "one hundred fifty-eight million, nine hundred forty-nine thousand, four hundred sixty-five".