45340442513 has 4 divisors (see below), whose sum is σ = 45780641088. Its totient is φ = 44900243940.

The previous prime is 45340442507. The next prime is 45340442533. The reversal of 45340442513 is 31524404354.

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 45340442513 - 2¹² = 45340438417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45340442503) 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, 220099133 + ... + 220099338.

It is an arithmetic number, because the mean of its divisors is an integer number (11445160272).

Almost surely, 2^45340442513 is an apocalyptic number.

It is an amenable number.

45340442513 is a deficient number, since it is larger than the sum of its proper divisors (440198575).

45340442513 is a wasteful number, since it uses less digits than its factorization.

45340442513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440198574.

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

Adding to 45340442513 its reverse (31524404354), we get a palindrome (76864846867).

The spelling of 45340442513 in words is "forty-five billion, three hundred forty million, four hundred forty-two thousand, five hundred thirteen".