45020515415 has 4 divisors (see below), whose sum is σ = 54024618504. Its totient is φ = 36016412328.

The previous prime is 45020515381. The next prime is 45020515417. The reversal of 45020515415 is 51451502054.

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

It is a cyclic number.

It is not a de Polignac number, because 45020515415 - 2⁸ = 45020515159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45020515417) 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, 4502051537 + ... + 4502051546.

It is an arithmetic number, because the mean of its divisors is an integer number (13506154626).

Almost surely, 2^45020515415 is an apocalyptic number.

45020515415 is a deficient number, since it is larger than the sum of its proper divisors (9004103089).

45020515415 is an equidigital number, since it uses as much as digits as its factorization.

45020515415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9004103088.

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 45020515415 in words is "forty-five billion, twenty million, five hundred fifteen thousand, four hundred fifteen".