158493272 has 16 divisors (see below), whose sum is σ = 339628560. Its totient is φ = 67925664.

The previous prime is 158493271. The next prime is 158493277. The reversal of 158493272 is 272394851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158493271) 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, 1415063 + ... + 1415174.

It is an arithmetic number, because the mean of its divisors is an integer number (21226785).

Almost surely, 2^158493272 is an apocalyptic number.

It is an amenable number.

158493272 is an abundant number, since it is smaller than the sum of its proper divisors (181135288).

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

158493272 is a wasteful number, since it uses less digits than its factorization.

158493272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830250 (or 2830246 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 158493272 is about 12589.4111061638. The cubic root of 158493272 is about 541.1740254662.

The spelling of 158493272 in words is "one hundred fifty-eight million, four hundred ninety-three thousand, two hundred seventy-two".