245235511242 has 12 divisors (see below), whose sum is σ = 531343607730. Its totient is φ = 81745170408.

The previous prime is 245235511223. The next prime is 245235511273. The reversal of 245235511242 is 242115532542.

245235511242 is a `hidden beast` number, since 2 + 4 + 52 + 3 + 551 + 12 + 42 = 666.

It can be written as a sum of positive squares in only one way, i.e., 198997180281 + 46238330961 = 446091^2 + 215031^2 .

It is a junction number, because it is equal to n+sod(n) for n = 245235511197 and 245235511206.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6812097517 + ... + 6812097552.

Almost surely, 2^245235511242 is an apocalyptic number.

245235511242 is an abundant number, since it is smaller than the sum of its proper divisors (286108096488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245235511242 is a wasteful number, since it uses less digits than its factorization.

245235511242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13624195077 (or 13624195074 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The spelling of 245235511242 in words is "two hundred forty-five billion, two hundred thirty-five million, five hundred eleven thousand, two hundred forty-two".