45442304513 has 4 divisors (see below), whose sum is σ = 45444429828. Its totient is φ = 45440179200.

The previous prime is 45442304491. The next prime is 45442304527. The reversal of 45442304513 is 31540324454.

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 17421888064 + 28020416449 = 131992^2 + 167393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45442304513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45442303513) 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, 1030256 + ... + 1073457.

It is an arithmetic number, because the mean of its divisors is an integer number (11361107457).

Almost surely, 2^45442304513 is an apocalyptic number.

It is an amenable number.

45442304513 is a deficient number, since it is larger than the sum of its proper divisors (2125315).

45442304513 is a wasteful number, since it uses less digits than its factorization.

45442304513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125314.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 45442304513 its reverse (31540324454), we get a palindrome (76982628967).

The spelling of 45442304513 in words is "forty-five billion, four hundred forty-two million, three hundred four thousand, five hundred thirteen".