45044620 has 12 divisors (see below), whose sum is σ = 94593744. Its totient is φ = 18017840.

The previous prime is 45044617. The next prime is 45044621. The reversal of 45044620 is 2644054.

It is not an unprimeable number, because it can be changed into a prime (45044621) 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, 1126096 + ... + 1126135.

It is an arithmetic number, because the mean of its divisors is an integer number (7882812).

Almost surely, 2^45044620 is an apocalyptic number.

It is an amenable number.

45044620 is an abundant number, since it is smaller than the sum of its proper divisors (49549124).

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

45044620 is a wasteful number, since it uses less digits than its factorization.

45044620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252240 (or 2252238 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 45044620 is about 6711.5288869229. The cubic root of 45044620 is about 355.8068535246.

Adding to 45044620 its reverse (2644054), we get a palindrome (47688674).

The spelling of 45044620 in words is "forty-five million, forty-four thousand, six hundred twenty".