242651115 has 96 divisors (see below), whose sum is σ = 514740096. Its totient is φ = 103219200.

The previous prime is 242651099. The next prime is 242651131. The reversal of 242651115 is 511156242.

242651115 is a `hidden beast` number, since 2 + 4 + 2 + 651 + 1 + 1 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (242651099) and next prime (242651131).

It is not a de Polignac number, because 242651115 - 2⁴ = 242651099 is a prime.

It is a super-2 number, since 2×242651115² = 117759127221486450, which contains 22 as substring.

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 95 ways as a sum of consecutive naturals, for example, 604915 + ... + 605315.

It is an arithmetic number, because the mean of its divisors is an integer number (5361876).

Almost surely, 2^242651115 is an apocalyptic number.

242651115 is an abundant number, since it is smaller than the sum of its proper divisors (272088981).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242651115 is a wasteful number, since it uses less digits than its factorization.

242651115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 546 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 242651115 is about 15577.2627569801. The cubic root of 242651115 is about 623.7263577664.

The spelling of 242651115 in words is "two hundred forty-two million, six hundred fifty-one thousand, one hundred fifteen".