242944615 has 4 divisors (see below), whose sum is σ = 291533544. Its totient is φ = 194355688.

The previous prime is 242944567. The next prime is 242944619. The reversal of 242944615 is 516449242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242944615 - 2⁷ = 242944487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242944619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24294457 + ... + 24294466.

It is an arithmetic number, because the mean of its divisors is an integer number (72883386).

Almost surely, 2^242944615 is an apocalyptic number.

242944615 is a deficient number, since it is larger than the sum of its proper divisors (48588929).

242944615 is an equidigital number, since it uses as much as digits as its factorization.

242944615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48588928.

The product of its digits is 69120, while the sum is 37.

The square root of 242944615 is about 15586.6806921807. The cubic root of 242944615 is about 623.9777336661.

The spelling of 242944615 in words is "two hundred forty-two million, nine hundred forty-four thousand, six hundred fifteen".