45423568 has 30 divisors (see below), whose sum is σ = 90714246. Its totient is φ = 22018176.

The previous prime is 45423563. The next prime is 45423601. The reversal of 45423568 is 86532454.

45423568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3069504 + 42354064 = 1752^2 + 6508^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45423563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163846 + ... + 164122.

Almost surely, 2^45423568 is an apocalyptic number.

It is an amenable number.

45423568 is a deficient number, since it is larger than the sum of its proper divisors (45290678).

45423568 is an equidigital number, since it uses as much as digits as its factorization.

45423568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599 (or 316 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 45423568 is about 6739.7008835704. The cubic root of 45423568 is about 356.8018369468.

Multiplying 45423568 by its sum of digits (37), we get a square (1680672016 = 40996²).

45423568 divided by its sum of digits (37) gives a square (1227664 = 1108²).

The spelling of 45423568 in words is "forty-five million, four hundred twenty-three thousand, five hundred sixty-eight".