142101457557171 has 32 divisors (see below), whose sum is σ = 217675246829568. Its totient is φ = 80773471654560.

The previous prime is 142101457557091. The next prime is 142101457557193. The reversal of 142101457557171 is 171755754101241.

It is a happy number.

142101457557171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-142101457557171 is a prime.

It is a super-2 number, since 2×142101457557171² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142101457557271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150933936 + ... + 151872498.

It is an arithmetic number, because the mean of its divisors is an integer number (6802351463424).

Almost surely, 2^{142101457557171} is an apocalyptic number.

142101457557171 is a deficient number, since it is larger than the sum of its proper divisors (75573789272397).

142101457557171 is a wasteful number, since it uses less digits than its factorization.

142101457557171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976511.

The product of its (nonzero) digits is 1372000, while the sum is 51.

The spelling of 142101457557171 in words is "one hundred forty-two trillion, one hundred one billion, four hundred fifty-seven million, five hundred fifty-seven thousand, one hundred seventy-one".