142557240684547 has 24 divisors (see below), whose sum is σ = 156484222456464. Its totient is φ = 129100422482304.

The previous prime is 142557240684541. The next prime is 142557240684563. The reversal of 142557240684547 is 745486042755241.

It is not a de Polignac number, because 142557240684547 - 2³⁹ = 142007484870659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142557240684541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 632836548 + ... + 633061774.

It is an arithmetic number, because the mean of its divisors is an integer number (6520175935686).

Almost surely, 2^{142557240684547} is an apocalyptic number.

142557240684547 is a deficient number, since it is larger than the sum of its proper divisors (13926981771917).

142557240684547 is a wasteful number, since it uses less digits than its factorization.

142557240684547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242679 (or 242626 counting only the distinct ones).

The product of its (nonzero) digits is 301056000, while the sum is 64.

The spelling of 142557240684547 in words is "one hundred forty-two trillion, five hundred fifty-seven billion, two hundred forty million, six hundred eighty-four thousand, five hundred forty-seven".