158587628 has 24 divisors (see below), whose sum is σ = 296895312. Its totient is φ = 73857024.

The previous prime is 158587621. The next prime is 158587643. The reversal of 158587628 is 826785851.

It is not an unprimeable number, because it can be changed into a prime (158587621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5426 + ... + 18617.

It is an arithmetic number, because the mean of its divisors is an integer number (12370638).

Almost surely, 2^158587628 is an apocalyptic number.

It is an amenable number.

158587628 is a deficient number, since it is larger than the sum of its proper divisors (138307684).

158587628 is a wasteful number, since it uses less digits than its factorization.

158587628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24161 (or 24159 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 50.

The square root of 158587628 is about 12593.1579836036. The cubic root of 158587628 is about 541.2813967674.

The spelling of 158587628 in words is "one hundred fifty-eight million, five hundred eighty-seven thousand, six hundred twenty-eight".