158085804 has 12 divisors (see below), whose sum is σ = 368866904. Its totient is φ = 52695264.

The previous prime is 158085779. The next prime is 158085841. The reversal of 158085804 is 408580851.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×158085804² = 49982242852652832, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6586897 + ... + 6586920.

Almost surely, 2^158085804 is an apocalyptic number.

It is an amenable number.

158085804 is an abundant number, since it is smaller than the sum of its proper divisors (210781100).

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

158085804 is a wasteful number, since it uses less digits than its factorization.

158085804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13173824 (or 13173822 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 39.

The square root of 158085804 is about 12573.2177265806. The cubic root of 158085804 is about 540.7098620457.

It can be divided in two parts, 15808 and 5804, that added together give a palindrome (21612).

The spelling of 158085804 in words is "one hundred fifty-eight million, eighty-five thousand, eight hundred four".