45121502905 has 4 divisors (see below), whose sum is σ = 54145803492. Its totient is φ = 36097202320.

The previous prime is 45121502857. The next prime is 45121502929. The reversal of 45121502905 is 50920512154.

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 5382276496 + 39739226409 = 73364^2 + 199347^2 .

It is not a de Polignac number, because 45121502905 - 2¹¹ = 45121500857 is a prime.

It is a Duffinian number.

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, 4512150286 + ... + 4512150295.

It is an arithmetic number, because the mean of its divisors is an integer number (13536450873).

Almost surely, 2^45121502905 is an apocalyptic number.

It is an amenable number.

45121502905 is a deficient number, since it is larger than the sum of its proper divisors (9024300587).

45121502905 is an equidigital number, since it uses as much as digits as its factorization.

45121502905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9024300586.

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 45121502905 in words is "forty-five billion, one hundred twenty-one million, five hundred two thousand, nine hundred five".