245187232444 has 144 divisors (see below), whose sum is σ = 548107495936. Its totient is φ = 93920238720.

The previous prime is 245187232429. The next prime is 245187232457. The reversal of 245187232444 is 444232781542.

It is a junction number, because it is equal to n+sod(n) for n = 245187232394 and 245187232403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 219504574 + ... + 219505690.

Almost surely, 2^245187232444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245187232444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274053747968).

245187232444 is an abundant number, since it is smaller than the sum of its proper divisors (302920263492).

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

245187232444 is a wasteful number, since it uses less digits than its factorization.

245187232444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184 (or 2171 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 46.

The spelling of 245187232444 in words is "two hundred forty-five billion, one hundred eighty-seven million, two hundred thirty-two thousand, four hundred forty-four".