45342243013 has 4 divisors (see below), whose sum is σ = 45343729728. Its totient is φ = 45340756300.

The previous prime is 45342242947. The next prime is 45342243019. The reversal of 45342243013 is 31034224354.

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 45342243013 - 2⁹ = 45342242501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45342243019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696631 + ... + 758932.

It is an arithmetic number, because the mean of its divisors is an integer number (11335932432).

Almost surely, 2^45342243013 is an apocalyptic number.

It is an amenable number.

45342243013 is a deficient number, since it is larger than the sum of its proper divisors (1486715).

45342243013 is a wasteful number, since it uses less digits than its factorization.

45342243013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486714.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 45342243013 its reverse (31034224354), we get a palindrome (76376467367).

The spelling of 45342243013 in words is "forty-five billion, three hundred forty-two million, two hundred forty-three thousand, thirteen".