242615164 has 18 divisors (see below), whose sum is σ = 466684232. Its totient is φ = 110279400.

The previous prime is 242615141. The next prime is 242615183. The reversal of 242615164 is 461516242.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250152 + ... + 251119.

Almost surely, 2^242615164 is an apocalyptic number.

It is an amenable number.

242615164 is a deficient number, since it is larger than the sum of its proper divisors (224069068).

242615164 is a wasteful number, since it uses less digits than its factorization.

242615164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501297 (or 501284 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 242615164 is about 15576.1087566825. The cubic root of 242615164 is about 623.6955526414.

The spelling of 242615164 in words is "two hundred forty-two million, six hundred fifteen thousand, one hundred sixty-four".