45233428 has 24 divisors (see below), whose sum is σ = 81120872. Its totient is φ = 22063104.

The previous prime is 45233399. The next prime is 45233429. The reversal of 45233428 is 82433254.

It can be written as a sum of positive squares in 4 ways, for example, as 2566404 + 42667024 = 1602^2 + 6532^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45233428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45233429) by changing a digit.

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, 27526 + ... + 29122.

Almost surely, 2^45233428 is an apocalyptic number.

It is an amenable number.

45233428 is a deficient number, since it is larger than the sum of its proper divisors (35887444).

45233428 is a wasteful number, since it uses less digits than its factorization.

45233428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771 (or 1769 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 45233428 is about 6725.5801236771. The cubic root of 45233428 is about 356.3032911763.

The spelling of 45233428 in words is "forty-five million, two hundred thirty-three thousand, four hundred twenty-eight".