242545456 has 40 divisors (see below), whose sum is σ = 483969024. Its totient is φ = 117687360.

The previous prime is 242545451. The next prime is 242545517. The reversal of 242545456 is 654545242.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (242545451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113841 + ... + 115951.

Almost surely, 2^242545456 is an apocalyptic number.

It is an amenable number.

242545456 is a deficient number, since it is larger than the sum of its proper divisors (241423568).

242545456 is a wasteful number, since it uses less digits than its factorization.

242545456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329 (or 2323 counting only the distinct ones).

The product of its digits is 192000, while the sum is 37.

The square root of 242545456 is about 15573.8709382093. The cubic root of 242545456 is about 623.6358136795.

The spelling of 242545456 in words is "two hundred forty-two million, five hundred forty-five thousand, four hundred fifty-six".