158004272 has 20 divisors (see below), whose sum is σ = 316009536. Its totient is φ = 76453440.

The previous prime is 158004229. The next prime is 158004311. The reversal of 158004272 is 272400851.

158004272 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 158783 + ... + 159774.

Almost surely, 2^158004272 is an apocalyptic number.

It is an amenable number.

158004272 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

158004272 is a wasteful number, since it uses less digits than its factorization.

158004272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318596 (or 318590 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 158004272 is about 12569.9750198638. The cubic root of 158004272 is about 540.6168898825.

The spelling of 158004272 in words is "one hundred fifty-eight million, four thousand, two hundred seventy-two".