45423628 has 24 divisors (see below), whose sum is σ = 83638800. Its totient is φ = 21553728.

The previous prime is 45423611. The next prime is 45423641. The reversal of 45423628 is 82632454.

It is a junction number, because it is equal to n+sod(n) for n = 45423593 and 45423602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3526 + ... + 10162.

It is an arithmetic number, because the mean of its divisors is an integer number (3484950).

Almost surely, 2^45423628 is an apocalyptic number.

It is an amenable number.

45423628 is a deficient number, since it is larger than the sum of its proper divisors (38215172).

45423628 is a wasteful number, since it uses less digits than its factorization.

45423628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6729 (or 6727 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 45423628 is about 6739.7053348051. The cubic root of 45423628 is about 356.8019940466.

The spelling of 45423628 in words is "forty-five million, four hundred twenty-three thousand, six hundred twenty-eight".