242381915 has 8 divisors (see below), whose sum is σ = 292018608. Its totient is φ = 193132000.

The previous prime is 242381911. The next prime is 242381939. The reversal of 242381915 is 519183242.

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

It is not a de Polignac number, because 242381915 - 2² = 242381911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242381911) 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, 95312 + ... + 97821.

It is an arithmetic number, because the mean of its divisors is an integer number (36502326).

Almost surely, 2^242381915 is an apocalyptic number.

242381915 is a deficient number, since it is larger than the sum of its proper divisors (49636693).

242381915 is a wasteful number, since it uses less digits than its factorization.

242381915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193389.

The product of its digits is 17280, while the sum is 35.

The square root of 242381915 is about 15568.6195598711. The cubic root of 242381915 is about 623.4956159645.

The spelling of 242381915 in words is "two hundred forty-two million, three hundred eighty-one thousand, nine hundred fifteen".