158642284 has 24 divisors (see below), whose sum is σ = 284977728. Its totient is φ = 77228160.

The previous prime is 158642279. The next prime is 158642357. The reversal of 158642284 is 482246851.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 143277 + ... + 144379.

It is an arithmetic number, because the mean of its divisors is an integer number (11874072).

Almost surely, 2^158642284 is an apocalyptic number.

It is an amenable number.

158642284 is a deficient number, since it is larger than the sum of its proper divisors (126335444).

158642284 is a wasteful number, since it uses less digits than its factorization.

158642284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025 (or 2023 counting only the distinct ones).

The product of its digits is 122880, while the sum is 40.

The square root of 158642284 is about 12595.3278639343. The cubic root of 158642284 is about 541.3435724415.

The spelling of 158642284 in words is "one hundred fifty-eight million, six hundred forty-two thousand, two hundred eighty-four".