242056645 has 16 divisors (see below), whose sum is σ = 296046720. Its totient is φ = 189941184.

The previous prime is 242056621. The next prime is 242056651. The reversal of 242056645 is 546650242.

It is a cyclic number.

It is not a de Polignac number, because 242056645 - 2⁷ = 242056517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242056645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242287 + ... + 243283.

It is an arithmetic number, because the mean of its divisors is an integer number (18502920).

Almost surely, 2^242056645 is an apocalyptic number.

It is an amenable number.

242056645 is a deficient number, since it is larger than the sum of its proper divisors (53990075).

242056645 is an equidigital number, since it uses as much as digits as its factorization.

242056645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 242056645 is about 15558.1697188326. The cubic root of 242056645 is about 623.2165863375.

The spelling of 242056645 in words is "two hundred forty-two million, fifty-six thousand, six hundred forty-five".