45240304321 has 4 divisors (see below), whose sum is σ = 46007089200. Its totient is φ = 44473519444.

The previous prime is 45240304309. The next prime is 45240304327. The reversal of 45240304321 is 12340304254.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45240304321 - 2⁵ = 45240304289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45240304321.

It is not an unprimeable number, because it can be changed into a prime (45240304327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383392351 + ... + 383392468.

It is an arithmetic number, because the mean of its divisors is an integer number (11501772300).

Almost surely, 2^45240304321 is an apocalyptic number.

It is an amenable number.

45240304321 is a deficient number, since it is larger than the sum of its proper divisors (766784879).

45240304321 is an equidigital number, since it uses as much as digits as its factorization.

45240304321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766784878.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 45240304321 its reverse (12340304254), we get a palindrome (57580608575).

The spelling of 45240304321 in words is "forty-five billion, two hundred forty million, three hundred four thousand, three hundred twenty-one".