242252457 has 16 divisors (see below), whose sum is σ = 334554240. Its totient is φ = 155740032.

The previous prime is 242252449. The next prime is 242252467. The reversal of 242252457 is 754252242.

It is not a de Polignac number, because 242252457 - 2³ = 242252449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242252467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112293 + ... + 114429.

It is an arithmetic number, because the mean of its divisors is an integer number (20909640).

Almost surely, 2^242252457 is an apocalyptic number.

It is an amenable number.

242252457 is a deficient number, since it is larger than the sum of its proper divisors (92301783).

242252457 is a wasteful number, since it uses less digits than its factorization.

242252457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3472.

The product of its digits is 44800, while the sum is 33.

The square root of 242252457 is about 15564.4613462850. The cubic root of 242252457 is about 623.3845916332.

The spelling of 242252457 in words is "two hundred forty-two million, two hundred fifty-two thousand, four hundred fifty-seven".