142180959 has 4 divisors (see below), whose sum is σ = 189574616. Its totient is φ = 94787304.

The previous prime is 142180957. The next prime is 142180967. The reversal of 142180959 is 959081241.

142180959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 142180959 - 2¹ = 142180957 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 (142180957) 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, 23696824 + ... + 23696829.

It is an arithmetic number, because the mean of its divisors is an integer number (47393654).

Almost surely, 2^142180959 is an apocalyptic number.

142180959 is a deficient number, since it is larger than the sum of its proper divisors (47393657).

142180959 is an equidigital number, since it uses as much as digits as its factorization.

142180959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47393656.

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 142180959 is about 11923.9657413127. The cubic root of 142180959 is about 521.9318660063.

The spelling of 142180959 in words is "one hundred forty-two million, one hundred eighty thousand, nine hundred fifty-nine".