45428540 has 12 divisors (see below), whose sum is σ = 95399976. Its totient is φ = 18171408.

The previous prime is 45428531. The next prime is 45428549. The reversal of 45428540 is 4582454.

It is an interprime number because it is at equal distance from previous prime (45428531) and next prime (45428549).

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 45428497 and 45428506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45428549) 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, 1135694 + ... + 1135733.

It is an arithmetic number, because the mean of its divisors is an integer number (7949998).

Almost surely, 2^45428540 is an apocalyptic number.

It is an amenable number.

45428540 is an abundant number, since it is smaller than the sum of its proper divisors (49971436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45428540 is a wasteful number, since it uses less digits than its factorization.

45428540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271436 (or 2271434 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 45428540 is about 6740.0697325770. The cubic root of 45428540 is about 356.8148548146.

The spelling of 45428540 in words is "forty-five million, four hundred twenty-eight thousand, five hundred forty".