158307996 has 48 divisors (see below), whose sum is σ = 460535040. Its totient is φ = 41118720.

The previous prime is 158307991. The next prime is 158308001. The reversal of 158307996 is 699703851.

It is an interprime number because it is at equal distance from previous prime (158307991) and next prime (158308001).

It is a super-2 number, since 2×158307996² = 50122843195072032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158307991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84741 + ... + 86588.

It is an arithmetic number, because the mean of its divisors is an integer number (9594480).

Almost surely, 2^158307996 is an apocalyptic number.

It is an amenable number.

158307996 is an abundant number, since it is smaller than the sum of its proper divisors (302227044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158307996 is a wasteful number, since it uses less digits than its factorization.

158307996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171354 (or 171352 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 158307996 is about 12582.0505483009. The cubic root of 158307996 is about 540.9630687636.

The spelling of 158307996 in words is "one hundred fifty-eight million, three hundred seven thousand, nine hundred ninety-six".