45256540403 has 4 divisors (see below), whose sum is σ = 45369400008. Its totient is φ = 45143680800.

The previous prime is 45256540397. The next prime is 45256540447. The reversal of 45256540403 is 30404565254.

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 45256540403 - 2⁶ = 45256540339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45256540003) 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, 56429201 + ... + 56430002.

It is an arithmetic number, because the mean of its divisors is an integer number (11342350002).

Almost surely, 2^45256540403 is an apocalyptic number.

45256540403 is a deficient number, since it is larger than the sum of its proper divisors (112859605).

45256540403 is a wasteful number, since it uses less digits than its factorization.

45256540403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112859604.

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 45256540403 in words is "forty-five billion, two hundred fifty-six million, five hundred forty thousand, four hundred three".