342161143 has 4 divisors (see below), whose sum is σ = 342229768. Its totient is φ = 342092520.

The previous prime is 342161129. The next prime is 342161153. The reversal of 342161143 is 341161243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341161243 = 127 ⋅2686309.

It is a cyclic number.

It is not a de Polignac number, because 342161143 - 2²¹ = 340063991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342161153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26193 + ... + 37018.

It is an arithmetic number, because the mean of its divisors is an integer number (85557442).

Almost surely, 2^342161143 is an apocalyptic number.

342161143 is a deficient number, since it is larger than the sum of its proper divisors (68625).

342161143 is an equidigital number, since it uses as much as digits as its factorization.

342161143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68624.

The product of its digits is 1728, while the sum is 25.

The square root of 342161143 is about 18497.5983035636. The cubic root of 342161143 is about 699.4288831428.

The spelling of 342161143 in words is "three hundred forty-two million, one hundred sixty-one thousand, one hundred forty-three".