45122724 has 48 divisors (see below), whose sum is σ = 121027200. Its totient is φ = 14521248.

The previous prime is 45122717. The next prime is 45122767. The reversal of 45122724 is 42722154.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4072 + ... + 10335.

It is an arithmetic number, because the mean of its divisors is an integer number (2521400).

Almost surely, 2^45122724 is an apocalyptic number.

It is an amenable number.

45122724 is an abundant number, since it is smaller than the sum of its proper divisors (75904476).

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

45122724 is a wasteful number, since it uses less digits than its factorization.

45122724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14449 (or 14441 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 45122724 is about 6717.3450112377. The cubic root of 45122724 is about 356.0123822651.

Adding to 45122724 its reverse (42722154), we get a palindrome (87844878).

The spelling of 45122724 in words is "forty-five million, one hundred twenty-two thousand, seven hundred twenty-four".