245522442 has 16 divisors (see below), whose sum is σ = 535685472. Its totient is φ = 74400720.

The previous prime is 245522393. The next prime is 245522461. The reversal of 245522442 is 244225542.

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, 1859953 + ... + 1860084.

It is an arithmetic number, because the mean of its divisors is an integer number (33480342).

Almost surely, 2^245522442 is an apocalyptic number.

245522442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245522442 is an abundant number, since it is smaller than the sum of its proper divisors (290163030).

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

245522442 is a wasteful number, since it uses less digits than its factorization.

245522442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720053.

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

The square root of 245522442 is about 15669.1557526243. The cubic root of 245522442 is about 626.1769328421.

Adding to 245522442 its reverse (244225542), we get a palindrome (489747984).

The spelling of 245522442 in words is "two hundred forty-five million, five hundred twenty-two thousand, four hundred forty-two".