242402445 has 24 divisors (see below), whose sum is σ = 434655000. Its totient is φ = 124822656.

The previous prime is 242402441. The next prime is 242402477. The reversal of 242402445 is 544204242.

242402445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 51796809 + 190605636 = 7197^2 + 13806^2 .

It is not a de Polignac number, because 242402445 - 2² = 242402441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242402441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91570 + ... + 94179.

It is an arithmetic number, because the mean of its divisors is an integer number (18110625).

Almost surely, 2^242402445 is an apocalyptic number.

It is an amenable number.

242402445 is a deficient number, since it is larger than the sum of its proper divisors (192252555).

242402445 is a wasteful number, since it uses less digits than its factorization.

242402445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185789 (or 185786 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 242402445 is about 15569.2788850351. The cubic root of 242402445 is about 623.5132190430.

Adding to 242402445 its reverse (544204242), we get a palindrome (786606687).

The spelling of 242402445 in words is "two hundred forty-two million, four hundred two thousand, four hundred forty-five".