242015439 has 8 divisors (see below), whose sum is σ = 322987392. Its totient is φ = 161193560.

The previous prime is 242015429. The next prime is 242015443. The reversal of 242015439 is 934510242.

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

It is a cyclic number.

It is not a de Polignac number, because 242015439 - 2¹⁷ = 241884367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242015429) 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, 33699 + ... + 40244.

It is an arithmetic number, because the mean of its divisors is an integer number (40373424).

Almost surely, 2^242015439 is an apocalyptic number.

242015439 is a deficient number, since it is larger than the sum of its proper divisors (80971953).

242015439 is a wasteful number, since it uses less digits than its factorization.

242015439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75037.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 242015439 is about 15556.8454064441. The cubic root of 242015439 is about 623.1812203456.

The spelling of 242015439 in words is "two hundred forty-two million, fifteen thousand, four hundred thirty-nine".