45013944 has 32 divisors (see below), whose sum is σ = 117429120. Its totient is φ = 14352096.

The previous prime is 45013919. The next prime is 45013949. The reversal of 45013944 is 44931054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45013949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40222 + ... + 41325.

It is an arithmetic number, because the mean of its divisors is an integer number (3669660).

Almost surely, 2^45013944 is an apocalyptic number.

It is an amenable number.

45013944 is an abundant number, since it is smaller than the sum of its proper divisors (72415176).

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

45013944 is a wasteful number, since it uses less digits than its factorization.

45013944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81579 (or 81575 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 45013944 is about 6709.2431763948. The cubic root of 45013944 is about 355.7260654107.

Adding to 45013944 its reverse (44931054), we get a palindrome (89944998).

The spelling of 45013944 in words is "forty-five million, thirteen thousand, nine hundred forty-four".