158015645 has 16 divisors (see below), whose sum is σ = 194296320. Its totient is φ = 123312384.

The previous prime is 158015621. The next prime is 158015677. The reversal of 158015645 is 546510851.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 158015645 - 2²² = 153821341 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 83429 + ... + 85301.

It is an arithmetic number, because the mean of its divisors is an integer number (12143520).

Almost surely, 2^158015645 is an apocalyptic number.

It is an amenable number.

158015645 is a deficient number, since it is larger than the sum of its proper divisors (36280675).

158015645 is a wasteful number, since it uses less digits than its factorization.

158015645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284.

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 158015645 is about 12570.4273992574. The cubic root of 158015645 is about 540.6298606043.

The spelling of 158015645 in words is "one hundred fifty-eight million, fifteen thousand, six hundred forty-five".