45504923 has 2 divisors, whose sum is σ = 45504924. Its totient is φ = 45504922.

The previous prime is 45504919. The next prime is 45504929. The reversal of 45504923 is 32940554.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45504923 - 2² = 45504919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45504923.

It is not a weakly prime, because it can be changed into another prime (45504929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22752461 + 22752462.

It is an arithmetic number, because the mean of its divisors is an integer number (22752462).

Almost surely, 2^45504923 is an apocalyptic number.

45504923 is a deficient number, since it is larger than the sum of its proper divisors (1).

45504923 is an equidigital number, since it uses as much as digits as its factorization.

45504923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 45504923 is about 6745.7336887843. The cubic root of 45504923 is about 357.0147242369.

The spelling of 45504923 in words is "forty-five million, five hundred four thousand, nine hundred twenty-three".