97445157 has 16 divisors (see below), whose sum is σ = 133447680. Its totient is φ = 63226800.

The previous prime is 97445143. The next prime is 97445171. The reversal of 97445157 is 75154479.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (97445143) and next prime (97445171).

It is not a de Polignac number, because 97445157 - 2⁴ = 97445141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97445137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13932 + ... + 19722.

It is an arithmetic number, because the mean of its divisors is an integer number (8340480).

Almost surely, 2^97445157 is an apocalyptic number.

It is an amenable number.

97445157 is a deficient number, since it is larger than the sum of its proper divisors (36002523).

97445157 is a wasteful number, since it uses less digits than its factorization.

97445157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5944.

The product of its digits is 176400, while the sum is 42.

The square root of 97445157 is about 9871.4313551784. The cubic root of 97445157 is about 460.1718907071.

The spelling of 97445157 in words is "ninety-seven million, four hundred forty-five thousand, one hundred fifty-seven".