97542645 has 16 divisors (see below), whose sum is σ = 156313152. Its totient is φ = 51941120.

The previous prime is 97542611. The next prime is 97542661. The reversal of 97542645 is 54624579.

It is not a de Polignac number, because 97542645 - 2²⁴ = 80765429 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 97542597 and 97542606.

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, 5485 + ... + 15005.

It is an arithmetic number, because the mean of its divisors is an integer number (9769572).

Almost surely, 2^97542645 is an apocalyptic number.

It is an amenable number.

97542645 is a deficient number, since it is larger than the sum of its proper divisors (58770507).

97542645 is a wasteful number, since it uses less digits than its factorization.

97542645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10212.

The product of its digits is 302400, while the sum is 42.

The square root of 97542645 is about 9876.3680065093. The cubic root of 97542645 is about 460.3252976307.

The spelling of 97542645 in words is "ninety-seven million, five hundred forty-two thousand, six hundred forty-five".