45731412 has 24 divisors (see below), whose sum is σ = 118563200. Its totient is φ = 15243768.

The previous prime is 45731401. The next prime is 45731419. The reversal of 45731412 is 21413754.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45731419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211612 + ... + 211827.

Almost surely, 2^45731412 is an apocalyptic number.

It is an amenable number.

45731412 is an abundant number, since it is smaller than the sum of its proper divisors (72831788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45731412 is a wasteful number, since it uses less digits than its factorization.

45731412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423452 (or 423444 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 45731412 is about 6762.5004251386. The cubic root of 45731412 is about 357.6060604351.

The spelling of 45731412 in words is "forty-five million, seven hundred thirty-one thousand, four hundred twelve".