45419931 has 6 divisors (see below), whose sum is σ = 65606580. Its totient is φ = 30279948.

The previous prime is 45419921. The next prime is 45419947. The reversal of 45419931 is 13991454.

It is a happy number.

It is not a de Polignac number, because 45419931 - 2¹⁰ = 45418907 is a prime.

It is a super-2 number, since 2×45419931² = 4125940264089522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45419921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2523321 + ... + 2523338.

It is an arithmetic number, because the mean of its divisors is an integer number (10934430).

Almost surely, 2^45419931 is an apocalyptic number.

45419931 is a deficient number, since it is larger than the sum of its proper divisors (20186649).

45419931 is a wasteful number, since it uses less digits than its factorization.

45419931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5046665 (or 5046662 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 45419931 is about 6739.4310590732. The cubic root of 45419931 is about 356.7923138221.

The spelling of 45419931 in words is "forty-five million, four hundred nineteen thousand, nine hundred thirty-one".