242055915 has 24 divisors (see below), whose sum is σ = 408755088. Its totient is φ = 122299200.

The previous prime is 242055899. The next prime is 242055941. The reversal of 242055915 is 519550242.

It is not a de Polignac number, because 242055915 - 2⁴ = 242055899 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 16936 + ... + 27765.

It is an arithmetic number, because the mean of its divisors is an integer number (17031462).

Almost surely, 2^242055915 is an apocalyptic number.

242055915 is a deficient number, since it is larger than the sum of its proper divisors (166699173).

242055915 is a wasteful number, since it uses less digits than its factorization.

242055915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44747 (or 44728 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 242055915 is about 15558.1462584718. The cubic root of 242055915 is about 623.2159598332.

The spelling of 242055915 in words is "two hundred forty-two million, fifty-five thousand, nine hundred fifteen".