45011644 has 12 divisors (see below), whose sum is σ = 82195344. Its totient is φ = 21527264.

The previous prime is 45011641. The next prime is 45011651. The reversal of 45011644 is 44611054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45011641) 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, 244537 + ... + 244720.

It is an arithmetic number, because the mean of its divisors is an integer number (6849612).

Almost surely, 2^45011644 is an apocalyptic number.

It is an amenable number.

45011644 is a deficient number, since it is larger than the sum of its proper divisors (37183700).

45011644 is a wasteful number, since it uses less digits than its factorization.

45011644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489284 (or 489282 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 45011644 is about 6709.0717688813. The cubic root of 45011644 is about 355.7200066667.

Adding to 45011644 its reverse (44611054), we get a palindrome (89622698).

The spelling of 45011644 in words is "forty-five million, eleven thousand, six hundred forty-four".