242050645 has 4 divisors (see below), whose sum is σ = 290460780. Its totient is φ = 193640512.

The previous prime is 242050639. The next prime is 242050651. The reversal of 242050645 is 546050242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 546050242 = 2 ⋅273025121.

It is an interprime number because it is at equal distance from previous prime (242050639) and next prime (242050651).

It can be written as a sum of positive squares in 2 ways, for example, as 138133009 + 103917636 = 11753^2 + 10194^2 .

It is a cyclic number.

It is not a de Polignac number, because 242050645 - 2³ = 242050637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24205060 + ... + 24205069.

It is an arithmetic number, because the mean of its divisors is an integer number (72615195).

Almost surely, 2^242050645 is an apocalyptic number.

It is an amenable number.

242050645 is a deficient number, since it is larger than the sum of its proper divisors (48410135).

242050645 is an equidigital number, since it uses as much as digits as its factorization.

242050645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48410134.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 242050645 is about 15557.9768928997. The cubic root of 242050645 is about 623.2114369499.

The spelling of 242050645 in words is "two hundred forty-two million, fifty thousand, six hundred forty-five".