45119997 has 54 divisors (see below), whose sum is σ = 76189022. Its totient is φ = 26558928.

The previous prime is 45119959. The next prime is 45120001. The reversal of 45119997 is 79991154.

45119997 is a `hidden beast` number, since 451 + 199 + 9 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 31236921 + 13883076 = 5589^2 + 3726^2 .

It is not a de Polignac number, because 45119997 - 2⁶ = 45119933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45119917) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1961728 + ... + 1961750.

Almost surely, 2^45119997 is an apocalyptic number.

It is an amenable number.

45119997 is a deficient number, since it is larger than the sum of its proper divisors (31069025).

45119997 is an frugal number, since it uses more digits than its factorization.

45119997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 39 counting only the distinct ones).

The product of its digits is 102060, while the sum is 45.

The square root of 45119997 is about 6717.1420261894. The cubic root of 45119997 is about 356.0052102297.

The spelling of 45119997 in words is "forty-five million, one hundred nineteen thousand, nine hundred ninety-seven".