142165232335161 has 48 divisors (see below), whose sum is σ = 247046492492800. Its totient is φ = 76958774871264.

The previous prime is 142165232335153. The next prime is 142165232335169. The reversal of 142165232335161 is 161533232561241.

142165232335161 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 6 + 5 + 232 + 3 + 351 + 61 = 666.

It is an interprime number because it is at equal distance from previous prime (142165232335153) and next prime (142165232335169).

It is not a de Polignac number, because 142165232335161 - 2³ = 142165232335153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142165232335169) 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, 30281910 + ... + 34660128.

Almost surely, 2^{142165232335161} is an apocalyptic number.

It is an amenable number.

142165232335161 is a deficient number, since it is larger than the sum of its proper divisors (104881260157639).

142165232335161 is a wasteful number, since it uses less digits than its factorization.

142165232335161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4405378 (or 4405375 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 142165232335161 in words is "one hundred forty-two trillion, one hundred sixty-five billion, two hundred thirty-two million, three hundred thirty-five thousand, one hundred sixty-one".