158989762 has 12 divisors (see below), whose sum is σ = 246428838. Its totient is φ = 76929600.

The previous prime is 158989751. The next prime is 158989781. The reversal of 158989762 is 267989851.

It can be written as a sum of positive squares in only one way, i.e., 152992161 + 5997601 = 12369^2 + 2449^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 39439 + ... + 43282.

Almost surely, 2^158989762 is an apocalyptic number.

158989762 is a deficient number, since it is larger than the sum of its proper divisors (87439076).

158989762 is an equidigital number, since it uses as much as digits as its factorization.

158989762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82785 (or 82754 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 55.

The square root of 158989762 is about 12609.1142432766. The cubic root of 158989762 is about 541.7385234954.

The spelling of 158989762 in words is "one hundred fifty-eight million, nine hundred eighty-nine thousand, seven hundred sixty-two".