245442100444 has 12 divisors (see below), whose sum is σ = 435934477384. Its totient is φ = 120889392624.

The previous prime is 245442100381. The next prime is 245442100447. The reversal of 245442100444 is 444001244542.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245442100447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457914099 + ... + 457914634.

Almost surely, 2^245442100444 is an apocalyptic number.

It is an amenable number.

245442100444 is a deficient number, since it is larger than the sum of its proper divisors (190492376940).

245442100444 is a wasteful number, since it uses less digits than its factorization.

245442100444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915828804 (or 915828802 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 34.

Adding to 245442100444 its reverse (444001244542), we get a palindrome (689443344986).

The spelling of 245442100444 in words is "two hundred forty-five billion, four hundred forty-two million, one hundred thousand, four hundred forty-four".