158089572 has 36 divisors (see below), whose sum is σ = 400852816. Its totient is φ = 52533360.

The previous prime is 158089559. The next prime is 158089573. The reversal of 158089572 is 275980851.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (158089573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5283 + ... + 18549.

Almost surely, 2^158089572 is an apocalyptic number.

158089572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158089572 is an abundant number, since it is smaller than the sum of its proper divisors (242763244).

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

158089572 is a wasteful number, since it uses less digits than its factorization.

158089572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13608 (or 13603 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The square root of 158089572 is about 12573.3675679986. The cubic root of 158089572 is about 540.7141579798.

The spelling of 158089572 in words is "one hundred fifty-eight million, eighty-nine thousand, five hundred seventy-two".