14452642557 has 48 divisors (see below), whose sum is σ = 22378709808. Its totient is φ = 8973020160.

The previous prime is 14452642553. The next prime is 14452642579. The reversal of 14452642557 is 75524625441.

14452642557 is a `hidden beast` number, since 1 + 4 + 4 + 52 + 6 + 42 + 557 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 34596 + 14452607961 = 186^2 + 120219^2 .

It is not a de Polignac number, because 14452642557 - 2² = 14452642553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14452642553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 713623 + ... + 733595.

It is an arithmetic number, because the mean of its divisors is an integer number (466223121).

Almost surely, 2^14452642557 is an apocalyptic number.

It is an amenable number.

14452642557 is a deficient number, since it is larger than the sum of its proper divisors (7926067251).

14452642557 is a wasteful number, since it uses less digits than its factorization.

14452642557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20110 (or 20107 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 45.

The spelling of 14452642557 in words is "fourteen billion, four hundred fifty-two million, six hundred forty-two thousand, five hundred fifty-seven".