242195158 has 16 divisors (see below), whose sum is σ = 387606384. Its totient is φ = 113102080.

The previous prime is 242195143. The next prime is 242195197. The reversal of 242195158 is 851591242.

It is a congruent number.

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, 22735 + ... + 31642.

It is an arithmetic number, because the mean of its divisors is an integer number (24225399).

Almost surely, 2^242195158 is an apocalyptic number.

242195158 is a deficient number, since it is larger than the sum of its proper divisors (145411226).

242195158 is a wasteful number, since it uses less digits than its factorization.

242195158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54527.

The product of its digits is 28800, while the sum is 37.

The square root of 242195158 is about 15562.6205376858. The cubic root of 242195158 is about 623.3354388737.

It can be divided in two parts, 2421 and 95158, that added together give a palindrome (97579).

The spelling of 242195158 in words is "two hundred forty-two million, one hundred ninety-five thousand, one hundred fifty-eight".