242426457 has 96 divisors (see below), whose sum is σ = 456019200. Its totient is φ = 120669696.

The previous prime is 242426449. The next prime is 242426461. The reversal of 242426457 is 754624242.

242426457 is a `hidden beast` number, since 2 + 4 + 2 + 4 + 2 + 645 + 7 = 666.

242426457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242426457 - 2³ = 242426449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242426407) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1401223 + ... + 1401395.

It is an arithmetic number, because the mean of its divisors is an integer number (4750200).

Almost surely, 2^242426457 is an apocalyptic number.

It is an amenable number.

242426457 is a deficient number, since it is larger than the sum of its proper divisors (213592743).

242426457 is a wasteful number, since it uses less digits than its factorization.

242426457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 284 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The square root of 242426457 is about 15570.0499999197. The cubic root of 242426457 is about 623.5338064386.

The spelling of 242426457 in words is "two hundred forty-two million, four hundred twenty-six thousand, four hundred fifty-seven".