245536242 has 16 divisors (see below), whose sum is σ = 561225792. Its totient is φ = 70153200.

The previous prime is 245536237. The next prime is 245536261. The reversal of 245536242 is 242635542.

It is a happy number.

It is a super-2 number, since 2×245536242² = 120576092270965128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2923009 + ... + 2923092.

It is an arithmetic number, because the mean of its divisors is an integer number (35076612).

Almost surely, 2^245536242 is an apocalyptic number.

245536242 is an abundant number, since it is smaller than the sum of its proper divisors (315689550).

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

245536242 is a wasteful number, since it uses less digits than its factorization.

245536242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5846113.

The product of its digits is 57600, while the sum is 33.

The square root of 245536242 is about 15669.5961020059. The cubic root of 245536242 is about 626.1886643966.

The spelling of 245536242 in words is "two hundred forty-five million, five hundred thirty-six thousand, two hundred forty-two".