45042202457 has 8 divisors (see below), whose sum is σ = 54504850176. Its totient is φ = 36336566592.

The previous prime is 45042202453. The next prime is 45042202487. The reversal of 45042202457 is 75420224054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45042202457 - 2² = 45042202453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45042202453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189252833 + ... + 189253070.

It is an arithmetic number, because the mean of its divisors is an integer number (6813106272).

Almost surely, 2^45042202457 is an apocalyptic number.

It is an amenable number.

45042202457 is a deficient number, since it is larger than the sum of its proper divisors (9462647719).

45042202457 is a wasteful number, since it uses less digits than its factorization.

45042202457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378505927.

The product of its (nonzero) digits is 89600, while the sum is 35.

The spelling of 45042202457 in words is "forty-five billion, forty-two million, two hundred two thousand, four hundred fifty-seven".