45171144 has 24 divisors (see below), whose sum is σ = 122338710. Its totient is φ = 15057024.

The previous prime is 45171127. The next prime is 45171223. The reversal of 45171144 is 44117154.

45171144 is a `hidden beast` number, since 4 + 517 + 1 + 144 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34082244 + 11088900 = 5838^2 + 3330^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313617 + ... + 313760.

Almost surely, 2^45171144 is an apocalyptic number.

It is an amenable number.

45171144 is an abundant number, since it is smaller than the sum of its proper divisors (77167566).

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

45171144 is a wasteful number, since it uses less digits than its factorization.

45171144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627389 (or 627382 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 45171144 is about 6720.9481473971. The cubic root of 45171144 is about 356.1396792290.

Adding to 45171144 its reverse (44117154), we get a palindrome (89288298).

The spelling of 45171144 in words is "forty-five million, one hundred seventy-one thousand, one hundred forty-four".