45335215645 has 4 divisors (see below), whose sum is σ = 54402258780. Its totient is φ = 36268172512.

The previous prime is 45335215633. The next prime is 45335215657. The reversal of 45335215645 is 54651253354.

45335215645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (45335215633) and next prime (45335215657).

It can be written as a sum of positive squares in 2 ways, for example, as 10121567236 + 35213648409 = 100606^2 + 187653^2 .

It is a cyclic number.

It is not a de Polignac number, because 45335215645 - 2²⁵ = 45301661213 is a prime.

It is a congruent 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, 4533521560 + ... + 4533521569.

It is an arithmetic number, because the mean of its divisors is an integer number (13600564695).

Almost surely, 2^45335215645 is an apocalyptic number.

It is an amenable number.

45335215645 is a deficient number, since it is larger than the sum of its proper divisors (9067043135).

45335215645 is an equidigital number, since it uses as much as digits as its factorization.

45335215645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9067043134.

The product of its digits is 1080000, while the sum is 43.

Adding to 45335215645 its reverse (54651253354), we get a palindrome (99986468999).

The spelling of 45335215645 in words is "forty-five billion, three hundred thirty-five million, two hundred fifteen thousand, six hundred forty-five".