45013145 has 4 divisors (see below), whose sum is σ = 54015780. Its totient is φ = 36010512.

The previous prime is 45013123. The next prime is 45013151. The reversal of 45013145 is 54131054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4804864 + 40208281 = 2192^2 + 6341^2 .

It is a cyclic number.

It is not a de Polignac number, because 45013145 - 2¹⁴ = 44996761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45013145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4501310 + ... + 4501319.

It is an arithmetic number, because the mean of its divisors is an integer number (13503945).

Almost surely, 2^45013145 is an apocalyptic number.

It is an amenable number.

45013145 is a deficient number, since it is larger than the sum of its proper divisors (9002635).

45013145 is an equidigital number, since it uses as much as digits as its factorization.

45013145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9002634.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 45013145 is about 6709.1836314115. The cubic root of 45013145 is about 355.7239606791.

Adding to 45013145 its reverse (54131054), we get a palindrome (99144199).

The spelling of 45013145 in words is "forty-five million, thirteen thousand, one hundred forty-five".