242145670 has 16 divisors (see below), whose sum is σ = 469390320. Its totient is φ = 89407584.

The previous prime is 242145613. The next prime is 242145677. The reversal of 242145670 is 76541242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242145677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931200 + ... + 931459.

It is an arithmetic number, because the mean of its divisors is an integer number (29336895).

Almost surely, 2^242145670 is an apocalyptic number.

242145670 is a deficient number, since it is larger than the sum of its proper divisors (227244650).

242145670 is a wasteful number, since it uses less digits than its factorization.

242145670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862679.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 242145670 is about 15561.0304928690. The cubic root of 242145670 is about 623.2929803790.

The spelling of 242145670 in words is "two hundred forty-two million, one hundred forty-five thousand, six hundred seventy".