2245431543552 has 108 divisors (see below), whose sum is σ = 6481276696440. Its totient is φ = 747651262464.

The previous prime is 2245431543527. The next prime is 2245431543557. The reversal of 2245431543552 is 2553451345422.

2245431543552 is a `hidden beast` number, since 2 + 2 + 4 + 5 + 43 + 1 + 54 + 3 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2245431543498 and 2245431543507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245431543557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1552474 + ... + 2626982.

Almost surely, 2^{2245431543552} 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 2245431543552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3240638348220).

2245431543552 is an abundant number, since it is smaller than the sum of its proper divisors (4235845152888).

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

2245431543552 is a wasteful number, since it uses less digits than its factorization.

2245431543552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075438 (or 1075421 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 45.

Adding to 2245431543552 its reverse (2553451345422), we get a palindrome (4798882888974).

The spelling of 2245431543552 in words is "two trillion, two hundred forty-five billion, four hundred thirty-one million, five hundred forty-three thousand, five hundred fifty-two".