45725242568 has 8 divisors (see below), whose sum is σ = 85734829830. Its totient is φ = 22862621280.

The previous prime is 45725242561. The next prime is 45725242609. The reversal of 45725242568 is 86524252754.

It can be written as a sum of positive squares in only one way, i.e., 30527777284 + 15197465284 = 174722^2 + 123278^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (45725242561) 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 as a sum of consecutive naturals, namely, 2857827653 + ... + 2857827668.

Almost surely, 2^45725242568 is an apocalyptic number.

It is an amenable number.

45725242568 is a deficient number, since it is larger than the sum of its proper divisors (40009587262).

45725242568 is a wasteful number, since it uses less digits than its factorization.

45725242568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715655327 (or 5715655323 counting only the distinct ones).

The product of its digits is 5376000, while the sum is 50.

The spelling of 45725242568 in words is "forty-five billion, seven hundred twenty-five million, two hundred forty-two thousand, five hundred sixty-eight".