45731450 has 12 divisors (see below), whose sum is σ = 85060590. Its totient is φ = 18292560.

The previous prime is 45731449. The next prime is 45731467. The reversal of 45731450 is 5413754.

It can be written as a sum of positive squares in 3 ways, for example, as 39526369 + 6205081 = 6287^2 + 2491^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 457265 + ... + 457364.

Almost surely, 2^45731450 is an apocalyptic number.

45731450 is a deficient number, since it is larger than the sum of its proper divisors (39329140).

45731450 is a wasteful number, since it uses less digits than its factorization.

45731450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914641 (or 914636 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 45731450 is about 6762.5032347497. The cubic root of 45731450 is about 357.6061594846.

The spelling of 45731450 in words is "forty-five million, seven hundred thirty-one thousand, four hundred fifty".