158447128 has 16 divisors (see below), whose sum is σ = 339529680. Its totient is φ = 67905888.

The previous prime is 158447101. The next prime is 158447129. The reversal of 158447128 is 821744851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158447129) by changing a digit.

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, 1414651 + ... + 1414762.

It is an arithmetic number, because the mean of its divisors is an integer number (21220605).

Almost surely, 2^158447128 is an apocalyptic number.

It is an amenable number.

158447128 is an abundant number, since it is smaller than the sum of its proper divisors (181082552).

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

158447128 is a wasteful number, since it uses less digits than its factorization.

158447128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829426 (or 2829422 counting only the distinct ones).

The product of its digits is 71680, while the sum is 40.

The square root of 158447128 is about 12587.5783215041. The cubic root of 158447128 is about 541.1215009273.

The spelling of 158447128 in words is "one hundred fifty-eight million, four hundred forty-seven thousand, one hundred twenty-eight".