165143142363242 has 16 divisors (see below), whose sum is σ = 253489055716512. Its totient is φ = 80646995531760.

The previous prime is 165143142363209. The next prime is 165143142363301. The reversal of 165143142363242 is 242363241341561.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49648253 + ... + 52869984.

It is an arithmetic number, because the mean of its divisors is an integer number (15843065982282).

Almost surely, 2^{165143142363242} is an apocalyptic number.

165143142363242 is a deficient number, since it is larger than the sum of its proper divisors (88345913353270).

165143142363242 is a wasteful number, since it uses less digits than its factorization.

165143142363242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102537013.

The product of its digits is 2488320, while the sum is 47.

The spelling of 165143142363242 in words is "one hundred sixty-five trillion, one hundred forty-three billion, one hundred forty-two million, three hundred sixty-three thousand, two hundred forty-two".