45001144 has 16 divisors (see below), whose sum is σ = 84537000. Its totient is φ = 22457952.

The previous prime is 45001123. The next prime is 45001147. The reversal of 45001144 is 44110054.

It is a super-2 number, since 2×45001144² = 4050205922617472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45001147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594 + ... + 9505.

Almost surely, 2^45001144 is an apocalyptic number.

It is an amenable number.

45001144 is a deficient number, since it is larger than the sum of its proper divisors (39535856).

45001144 is a wasteful number, since it uses less digits than its factorization.

45001144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10662 (or 10658 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 45001144 is about 6708.2892006830. The cubic root of 45001144 is about 355.6923445612.

Adding to 45001144 its reverse (44110054), we get a palindrome (89111198).

The spelling of 45001144 in words is "forty-five million, one thousand, one hundred forty-four".