242015018 has 12 divisors (see below), whose sum is σ = 422291682. Its totient is φ = 103720680.

The previous prime is 242014979. The next prime is 242015057. The reversal of 242015018 is 810510242.

It is an interprime number because it is at equal distance from previous prime (242014979) and next prime (242015057).

It can be written as a sum of positive squares in only one way, i.e., 241709209 + 305809 = 15547^2 + 553^2 .

It is a junction number, because it is equal to n+sod(n) for n = 242014984 and 242015002.

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, 1234673 + ... + 1234868.

Almost surely, 2^242015018 is an apocalyptic number.

242015018 is a deficient number, since it is larger than the sum of its proper divisors (180276664).

242015018 is a wasteful number, since it uses less digits than its factorization.

242015018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469557 (or 2469550 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 242015018 is about 15556.8318754173. The cubic root of 242015018 is about 623.1808589920.

The spelling of 242015018 in words is "two hundred forty-two million, fifteen thousand, eighteen".