158989268 has 12 divisors (see below), whose sum is σ = 280422912. Its totient is φ = 78868440.

The previous prime is 158989261. The next prime is 158989273. The reversal of 158989268 is 862989851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158989261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155978 + ... + 156993.

It is an arithmetic number, because the mean of its divisors is an integer number (23368576).

Almost surely, 2^158989268 is an apocalyptic number.

It is an amenable number.

158989268 is a deficient number, since it is larger than the sum of its proper divisors (121433644).

158989268 is a wasteful number, since it uses less digits than its factorization.

158989268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313102 (or 313100 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 56.

The square root of 158989268 is about 12609.0946542565. The cubic root of 158989268 is about 541.7379624129.

The spelling of 158989268 in words is "one hundred fifty-eight million, nine hundred eighty-nine thousand, two hundred sixty-eight".