242146615 has 8 divisors (see below), whose sum is σ = 297663408. Its totient is φ = 188992320.

The previous prime is 242146579. The next prime is 242146633. The reversal of 242146615 is 516641242.

It is a happy number.

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

It is not a de Polignac number, because 242146615 - 2⁹ = 242146103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590397 + ... + 590806.

It is an arithmetic number, because the mean of its divisors is an integer number (37207926).

Almost surely, 2^242146615 is an apocalyptic number.

242146615 is a deficient number, since it is larger than the sum of its proper divisors (55516793).

242146615 is a wasteful number, since it uses less digits than its factorization.

242146615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181249.

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

The square root of 242146615 is about 15561.0608571524. The cubic root of 242146615 is about 623.2937912010.

Adding to 242146615 its reverse (516641242), we get a palindrome (758787857).

The spelling of 242146615 in words is "two hundred forty-two million, one hundred forty-six thousand, six hundred fifteen".