45923697 has 12 divisors (see below), whose sum is σ = 68127540. Its totient is φ = 29788128.

The previous prime is 45923693. The next prime is 45923707. The reversal of 45923697 is 79632954.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27468081 + 18455616 = 5241^2 + 4296^2 .

It is not a de Polignac number, because 45923697 - 2² = 45923693 is a prime.

It is a super-2 number, since 2×45923697² = 4217971892295618, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (45923693) 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, 68622 + ... + 69287.

It is an arithmetic number, because the mean of its divisors is an integer number (5677295).

Almost surely, 2^45923697 is an apocalyptic number.

It is an amenable number.

45923697 is a deficient number, since it is larger than the sum of its proper divisors (22203843).

45923697 is a wasteful number, since it uses less digits than its factorization.

45923697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137952 (or 137949 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 45923697 is about 6776.7025167112. The cubic root of 45923697 is about 358.1065634726.

The spelling of 45923697 in words is "forty-five million, nine hundred twenty-three thousand, six hundred ninety-seven".