158422984 has 8 divisors (see below), whose sum is σ = 297043110. Its totient is φ = 79211488.

The previous prime is 158422981. The next prime is 158422987. The reversal of 158422984 is 489224851.

158422984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (158422981) and next prime (158422987).

It can be written as a sum of positive squares in only one way, i.e., 155700484 + 2722500 = 12478^2 + 1650^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 158422984.

It is not an unprimeable number, because it can be changed into a prime (158422981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9901429 + ... + 9901444.

Almost surely, 2^158422984 is an apocalyptic number.

It is an amenable number.

158422984 is a deficient number, since it is larger than the sum of its proper divisors (138620126).

158422984 is a wasteful number, since it uses less digits than its factorization.

158422984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19802879 (or 19802875 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The square root of 158422984 is about 12586.6192442609. The cubic root of 158422984 is about 541.0940143637.

The spelling of 158422984 in words is "one hundred fifty-eight million, four hundred twenty-two thousand, nine hundred eighty-four".