45113145 has 64 divisors (see below), whose sum is σ = 90961920. Its totient is φ = 18547200.

The previous prime is 45113137. The next prime is 45113147. The reversal of 45113145 is 54131154.

It is a happy number.

It is not a de Polignac number, because 45113145 - 2³ = 45113137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45113147) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 160405 + ... + 160685.

It is an arithmetic number, because the mean of its divisors is an integer number (1421280).

Almost surely, 2^45113145 is an apocalyptic number.

It is an amenable number.

45113145 is an abundant number, since it is smaller than the sum of its proper divisors (45848775).

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

45113145 is a wasteful number, since it uses less digits than its factorization.

45113145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446.

The product of its digits is 1200, while the sum is 24.

The square root of 45113145 is about 6716.6319684794. The cubic root of 45113145 is about 355.9871881304.

Adding to 45113145 its reverse (54131154), we get a palindrome (99244299).

Subtracting 45113145 from its reverse (54131154), we obtain a square (9018009 = 3003²).

The spelling of 45113145 in words is "forty-five million, one hundred thirteen thousand, one hundred forty-five".