142961242 has 8 divisors (see below), whose sum is σ = 221836500. Its totient is φ = 69015744.

The previous prime is 142961237. The next prime is 142961257. The reversal of 142961242 is 242169241.

142961242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 139688761 + 3272481 = 11819^2 + 1809^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1232367 + ... + 1232482.

Almost surely, 2^142961242 is an apocalyptic number.

142961242 is a deficient number, since it is larger than the sum of its proper divisors (78875258).

142961242 is a wasteful number, since it uses less digits than its factorization.

142961242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464880.

The product of its digits is 6912, while the sum is 31.

The square root of 142961242 is about 11956.6400798887. The cubic root of 142961242 is about 522.8849046074.

The spelling of 142961242 in words is "one hundred forty-two million, nine hundred sixty-one thousand, two hundred forty-two".