158243076 has 18 divisors (see below), whose sum is σ = 400003422. Its totient is φ = 52747680.

The previous prime is 158243027. The next prime is 158243093. The reversal of 158243076 is 670342851.

158243076 is a `hidden beast` number, since 1 + 582 + 4 + 3 + 0 + 76 = 666.

It can be written as a sum of positive squares in only one way, i.e., 144000000 + 14243076 = 12000^2 + 3774^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×158243076² = 50081742203883552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4395641 = 158243076 / (1 + 5 + 8 + 2 + 4 + 3 + 0 + 7 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 158243076.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2197785 + ... + 2197856.

Almost surely, 2^158243076 is an apocalyptic number.

It is an amenable number.

158243076 is an abundant number, since it is smaller than the sum of its proper divisors (241760346).

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

158243076 is a wasteful number, since it uses less digits than its factorization.

158243076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4395651 (or 4395646 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 158243076 is about 12579.4704181058. The cubic root of 158243076 is about 540.8891114040.

The spelling of 158243076 in words is "one hundred fifty-eight million, two hundred forty-three thousand, seventy-six".