242857495 has 16 divisors (see below), whose sum is σ = 312806880. Its totient is φ = 180347904.

The previous prime is 242857471. The next prime is 242857499. The reversal of 242857495 is 594758242.

It is a cyclic number.

It is not a de Polignac number, because 242857495 - 2¹¹ = 242855447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242857499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13365 + ... + 25774.

It is an arithmetic number, because the mean of its divisors is an integer number (19550430).

Almost surely, 2^242857495 is an apocalyptic number.

242857495 is a deficient number, since it is larger than the sum of its proper divisors (69949385).

242857495 is a wasteful number, since it uses less digits than its factorization.

242857495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39234.

The product of its digits is 806400, while the sum is 46.

The square root of 242857495 is about 15583.8857477845. The cubic root of 242857495 is about 623.9031385581.

The spelling of 242857495 in words is "two hundred forty-two million, eight hundred fifty-seven thousand, four hundred ninety-five".