97299945 has 12 divisors (see below), whose sum is σ = 168653316. Its totient is φ = 51893280.

The previous prime is 97299919. The next prime is 97299947. The reversal of 97299945 is 54999279.

It can be written as a sum of positive squares in 2 ways, for example, as 16353936 + 80946009 = 4044^2 + 8997^2 .

It is not a de Polignac number, because 97299945 - 2⁸ = 97299689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97299891 and 97299900.

It is not an unprimeable number, because it can be changed into a prime (97299947) 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, 1081066 + ... + 1081155.

It is an arithmetic number, because the mean of its divisors is an integer number (14054443).

Almost surely, 2^97299945 is an apocalyptic number.

It is an amenable number.

97299945 is a deficient number, since it is larger than the sum of its proper divisors (71353371).

97299945 is a wasteful number, since it uses less digits than its factorization.

97299945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162232 (or 2162229 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 54.

The square root of 97299945 is about 9864.0734486317. The cubic root of 97299945 is about 459.9431955691.

The spelling of 97299945 in words is "ninety-seven million, two hundred ninety-nine thousand, nine hundred forty-five".