142331159 has 4 divisors (see below), whose sum is σ = 147239160. Its totient is φ = 137423160.

The previous prime is 142331047. The next prime is 142331173. The reversal of 142331159 is 951133241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142331159 - 2¹² = 142327063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 4907971 = 142331159 / (1 + 4 + 2 + 3 + 3 + 1 + 1 + 5 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142331359) 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, 2453957 + ... + 2454014.

It is an arithmetic number, because the mean of its divisors is an integer number (36809790).

Almost surely, 2^142331159 is an apocalyptic number.

142331159 is a deficient number, since it is larger than the sum of its proper divisors (4908001).

142331159 is an equidigital number, since it uses as much as digits as its factorization.

142331159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4908000.

The product of its digits is 3240, while the sum is 29.

The square root of 142331159 is about 11930.2623189937. The cubic root of 142331159 is about 522.1155909762.

The spelling of 142331159 in words is "one hundred forty-two million, three hundred thirty-one thousand, one hundred fifty-nine".