242404545 has 48 divisors (see below), whose sum is σ = 407474496. Its totient is φ = 122976000.

The previous prime is 242404529. The next prime is 242404553. The reversal of 242404545 is 545404242.

242404545 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 242404545 - 2⁴ = 242404529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2399995 + ... + 2400095.

It is an arithmetic number, because the mean of its divisors is an integer number (8489052).

Almost surely, 2^242404545 is an apocalyptic number.

It is an amenable number.

242404545 is a deficient number, since it is larger than the sum of its proper divisors (165069951).

242404545 is a wasteful number, since it uses less digits than its factorization.

242404545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 242404545 is about 15569.3463253921. The cubic root of 242404545 is about 623.5150195941.

Adding to 242404545 its reverse (545404242), we get a palindrome (787808787).

The spelling of 242404545 in words is "two hundred forty-two million, four hundred four thousand, five hundred forty-five".