45731455 has 48 divisors (see below), whose sum is σ = 70917120. Its totient is φ = 27988800.

The previous prime is 45731449. The next prime is 45731467. The reversal of 45731455 is 55413754.

It is not a de Polignac number, because 45731455 - 2⁷ = 45731327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45731455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 191226 + ... + 191464.

It is an arithmetic number, because the mean of its divisors is an integer number (1477440).

Almost surely, 2^45731455 is an apocalyptic number.

45731455 is a deficient number, since it is larger than the sum of its proper divisors (25185665).

45731455 is a wasteful number, since it uses less digits than its factorization.

45731455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 333 counting only the distinct ones).

The product of its digits is 42000, while the sum is 34.

The square root of 45731455 is about 6762.5036044353. The cubic root of 45731455 is about 357.6061725175.

The spelling of 45731455 in words is "forty-five million, seven hundred thirty-one thousand, four hundred fifty-five".