45244144 has 20 divisors (see below), whose sum is σ = 95630040. Its totient is φ = 20565440.

The previous prime is 45244117. The next prime is 45244163. The reversal of 45244144 is 44144254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128359 + ... + 128710.

It is an arithmetic number, because the mean of its divisors is an integer number (4781502).

Almost surely, 2^45244144 is an apocalyptic number.

45244144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

45244144 is an abundant number, since it is smaller than the sum of its proper divisors (50385896).

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

45244144 is a wasteful number, since it uses less digits than its factorization.

45244144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257088 (or 257082 counting only the distinct ones).

The product of its digits is 10240, while the sum is 28.

The square root of 45244144 is about 6726.3767364013. The cubic root of 45244144 is about 356.3314255654.

Adding to 45244144 its reverse (44144254), we get a palindrome (89388398).

It can be divided in two parts, 4524 and 4144, that added together give a palindrome (8668).

The spelling of 45244144 in words is "forty-five million, two hundred forty-four thousand, one hundred forty-four".