45539397 has 24 divisors (see below), whose sum is σ = 67878720. Its totient is φ = 29401920.

The previous prime is 45539393. The next prime is 45539401. The reversal of 45539397 is 79393554.

45539397 is a `hidden beast` number, since 4 + 553 + 9 + 3 + 97 = 666.

It is an interprime number because it is at equal distance from previous prime (45539393) and next prime (45539401).

It is not a de Polignac number, because 45539397 - 2² = 45539393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45539393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61254 + ... + 61992.

It is an arithmetic number, because the mean of its divisors is an integer number (2828280).

Almost surely, 2^45539397 is an apocalyptic number.

It is an amenable number.

45539397 is a deficient number, since it is larger than the sum of its proper divisors (22339323).

45539397 is a wasteful number, since it uses less digits than its factorization.

45539397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953 (or 950 counting only the distinct ones).

The product of its digits is 510300, while the sum is 45.

The square root of 45539397 is about 6748.2884496737. The cubic root of 45539397 is about 357.1048582124.

The spelling of 45539397 in words is "forty-five million, five hundred thirty-nine thousand, three hundred ninety-seven".