1245256238448 has 100 divisors (see below), whose sum is σ = 3680816689440. Its totient is φ = 406253788416.

The previous prime is 1245256238441. The next prime is 1245256238459. The reversal of 1245256238448 is 8448326525421.

1245256238448 is a `hidden beast` number, since 1 + 2 + 4 + 5 + 2 + 5 + 623 + 8 + 4 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1245256238394 and 1245256238403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245256238441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10160853 + ... + 10282676.

Almost surely, 2^{1245256238448} is an apocalyptic number.

1245256238448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1245256238448 is an abundant number, since it is smaller than the sum of its proper divisors (2435560450992).

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

1245256238448 is a wasteful number, since it uses less digits than its factorization.

1245256238448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20443596 (or 20443581 counting only the distinct ones).

The product of its digits is 14745600, while the sum is 54.

The spelling of 1245256238448 in words is "one trillion, two hundred forty-five billion, two hundred fifty-six million, two hundred thirty-eight thousand, four hundred forty-eight".