45793421 has 4 divisors (see below), whose sum is σ = 45836412. Its totient is φ = 45750432.

The previous prime is 45793399. The next prime is 45793441. The reversal of 45793421 is 12439754.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40322500 + 5470921 = 6350^2 + 2339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45793421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45793441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19856 + ... + 22041.

It is an arithmetic number, because the mean of its divisors is an integer number (11459103).

Almost surely, 2^45793421 is an apocalyptic number.

It is an amenable number.

45793421 is a deficient number, since it is larger than the sum of its proper divisors (42991).

45793421 is a wasteful number, since it uses less digits than its factorization.

45793421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42990.

The product of its digits is 30240, while the sum is 35.

The square root of 45793421 is about 6767.0836406830. The cubic root of 45793421 is about 357.7676180911.

It can be divided in two parts, 4579 and 3421, that added together give a cube (8000 = 20³).

The spelling of 45793421 in words is "forty-five million, seven hundred ninety-three thousand, four hundred twenty-one".