972259158 has 32 divisors (see below), whose sum is σ = 2145179232. Its totient is φ = 291859200.

The previous prime is 972259139. The next prime is 972259163. The reversal of 972259158 is 851952279.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148813 + ... + 155208.

It is an arithmetic number, because the mean of its divisors is an integer number (67036851).

Almost surely, 2^972259158 is an apocalyptic number.

972259158 is an abundant number, since it is smaller than the sum of its proper divisors (1172920074).

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

972259158 is a wasteful number, since it uses less digits than its factorization.

972259158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304080.

The product of its digits is 453600, while the sum is 48.

The square root of 972259158 is about 31181.0705076012. The cubic root of 972259158 is about 990.6662039710. Note that the first 3 decimals are identical.

The spelling of 972259158 in words is "nine hundred seventy-two million, two hundred fifty-nine thousand, one hundred fifty-eight".