45142344665 has 16 divisors (see below), whose sum is σ = 59270814720. Its totient is φ = 32733361920.

The previous prime is 45142344661. The next prime is 45142344671. The reversal of 45142344665 is 56644324154.

It is not a de Polignac number, because 45142344665 - 2² = 45142344661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45142344661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1199225 + ... + 1236294.

It is an arithmetic number, because the mean of its divisors is an integer number (3704425920).

Almost surely, 2^45142344665 is an apocalyptic number.

It is an amenable number.

45142344665 is a deficient number, since it is larger than the sum of its proper divisors (14128470055).

45142344665 is a wasteful number, since it uses less digits than its factorization.

45142344665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435872.

The product of its digits is 1382400, while the sum is 44.

The spelling of 45142344665 in words is "forty-five billion, one hundred forty-two million, three hundred forty-four thousand, six hundred sixty-five".