245443612544 has 32 divisors (see below), whose sum is σ = 526582754040. Its totient is φ = 113281666560.

The previous prime is 245443612543. The next prime is 245443612573. The reversal of 245443612544 is 445216344542.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 245443612495 and 245443612504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245443612543) 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, 73749422 + ... + 73752749.

Almost surely, 2^245443612544 is an apocalyptic number.

It is an amenable number.

245443612544 is an abundant number, since it is smaller than the sum of its proper divisors (281139141496).

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

245443612544 is a wasteful number, since it uses less digits than its factorization.

245443612544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147502198 (or 147502186 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 44.

The spelling of 245443612544 in words is "two hundred forty-five billion, four hundred forty-three million, six hundred twelve thousand, five hundred forty-four".