97145937 has 12 divisors (see below), whose sum is σ = 160368000. Its totient is φ = 55511928.

The previous prime is 97145929. The next prime is 97145947. The reversal of 97145937 is 73954179.

It is not a de Polignac number, because 97145937 - 2³ = 97145929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97145892 and 97145901.

It is not an unprimeable number, because it can be changed into a prime (97145947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 770937 + ... + 771062.

It is an arithmetic number, because the mean of its divisors is an integer number (13364000).

Almost surely, 2^97145937 is an apocalyptic number.

It is an amenable number.

97145937 is a deficient number, since it is larger than the sum of its proper divisors (63222063).

97145937 is a wasteful number, since it uses less digits than its factorization.

97145937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542012 (or 1542009 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 97145937 is about 9856.2638459002. The cubic root of 97145937 is about 459.7003987979.

It can be divided in two parts, 9714 and 5937, that added together give a palindrome (15651).

The spelling of 97145937 in words is "ninety-seven million, one hundred forty-five thousand, nine hundred thirty-seven".