45643922 has 8 divisors (see below), whose sum is σ = 68590476. Its totient is φ = 22780432.

The previous prime is 45643901. The next prime is 45643933. The reversal of 45643922 is 22934654.

It can be written as a sum of positive squares in 2 ways, for example, as 45306361 + 337561 = 6731^2 + 581^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19373 + ... + 21600.

Almost surely, 2^45643922 is an apocalyptic number.

45643922 is a deficient number, since it is larger than the sum of its proper divisors (22946554).

45643922 is a wasteful number, since it uses less digits than its factorization.

45643922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41532.

The product of its digits is 51840, while the sum is 35.

The square root of 45643922 is about 6756.0285671391. The cubic root of 45643922 is about 357.3778662460.

The spelling of 45643922 in words is "forty-five million, six hundred forty-three thousand, nine hundred twenty-two".