45144055 has 32 divisors (see below), whose sum is σ = 62373888. Its totient is φ = 31046400.

The previous prime is 45144007. The next prime is 45144059. The reversal of 45144055 is 55044154.

It is not a de Polignac number, because 45144055 - 2⁷ = 45143927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45144059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160515 + ... + 160795.

It is an arithmetic number, because the mean of its divisors is an integer number (1949184).

Almost surely, 2^45144055 is an apocalyptic number.

45144055 is a deficient number, since it is larger than the sum of its proper divisors (17229833).

45144055 is a wasteful number, since it uses less digits than its factorization.

45144055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 45144055 is about 6718.9325789146. The cubic root of 45144055 is about 356.0684730261.

Subtracting 45144055 from its reverse (55044154), we obtain a palindrome (9900099).

The spelling of 45144055 in words is "forty-five million, one hundred forty-four thousand, fifty-five".