158145664 has 32 divisors (see below), whose sum is σ = 331642800. Its totient is φ = 74909952.

The previous prime is 158145649. The next prime is 158145707. The reversal of 158145664 is 466541851.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×158145664³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 30082 + ... + 34945.

Almost surely, 2^158145664 is an apocalyptic number.

It is an amenable number.

158145664 is an abundant number, since it is smaller than the sum of its proper divisors (173497136).

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

158145664 is an equidigital number, since it uses as much as digits as its factorization.

158145664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65060 (or 65048 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 158145664 is about 12575.5979579502. The cubic root of 158145664 is about 540.7781009537.

The spelling of 158145664 in words is "one hundred fifty-eight million, one hundred forty-five thousand, six hundred sixty-four".