45172424 has 32 divisors (see below), whose sum is σ = 97264800. Its totient is φ = 19451520.

The previous prime is 45172423. The next prime is 45172429. The reversal of 45172424 is 42427154.

It is not an unprimeable number, because it can be changed into a prime (45172423) 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, 11837 + ... + 15180.

It is an arithmetic number, because the mean of its divisors is an integer number (3039525).

Almost surely, 2^45172424 is an apocalyptic number.

45172424 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

45172424 is an abundant number, since it is smaller than the sum of its proper divisors (52092376).

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

45172424 is a wasteful number, since it uses less digits than its factorization.

45172424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27053 (or 27049 counting only the distinct ones).

The product of its digits is 8960, while the sum is 29.

The square root of 45172424 is about 6721.0433713822. The cubic root of 45172424 is about 356.1430431352.

Adding to 45172424 its reverse (42427154), we get a palindrome (87599578).

The spelling of 45172424 in words is "forty-five million, one hundred seventy-two thousand, four hundred twenty-four".