242547165 has 48 divisors (see below), whose sum is σ = 486315648. Its totient is φ = 109531008.

The previous prime is 242547083. The next prime is 242547197. The reversal of 242547165 is 561745242.

It is a happy number.

It is not a de Polignac number, because 242547165 - 2⁷ = 242547037 is a prime.

It is a Curzon 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 47 ways as a sum of consecutive naturals, for example, 21507 + ... + 30783.

It is an arithmetic number, because the mean of its divisors is an integer number (10131576).

Almost surely, 2^242547165 is an apocalyptic number.

It is an amenable number.

242547165 is an abundant number, since it is smaller than the sum of its proper divisors (243768483).

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

242547165 is a wasteful number, since it uses less digits than its factorization.

242547165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9378 (or 9375 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 242547165 is about 15573.9258056535. The cubic root of 242547165 is about 623.6372784099.

The spelling of 242547165 in words is "two hundred forty-two million, five hundred forty-seven thousand, one hundred sixty-five".