45120724 has 24 divisors (see below), whose sum is σ = 87556896. Its totient is φ = 20172000.

The previous prime is 45120721. The next prime is 45120727. The reversal of 45120724 is 42702154.

45120724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45120721) and next prime (45120727).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45120721) 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 7 ways as a sum of consecutive naturals, for example, 5722 + ... + 11089.

It is an arithmetic number, because the mean of its divisors is an integer number (3648204).

Almost surely, 2^45120724 is an apocalyptic number.

45120724 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

45120724 is a deficient number, since it is larger than the sum of its proper divisors (42436172).

45120724 is a wasteful number, since it uses less digits than its factorization.

45120724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16887 (or 16885 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 45120724 is about 6717.1961412482. The cubic root of 45120724 is about 356.0071222747.

Adding to 45120724 its reverse (42702154), we get a palindrome (87822878).

The spelling of 45120724 in words is "forty-five million, one hundred twenty thousand, seven hundred twenty-four".