1245434243344 has 80 divisors (see below), whose sum is σ = 2524178442240. Its totient is φ = 594169551360.

The previous prime is 1245434243329. The next prime is 1245434243369. The reversal of 1245434243344 is 4433424345421.

It is a super-2 number, since 2×1245434243344² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1245434243344.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299453137 + ... + 299457295.

It is an arithmetic number, because the mean of its divisors is an integer number (31552230528).

Almost surely, 2^{1245434243344} is an apocalyptic number.

It is an amenable number.

1245434243344 is an abundant number, since it is smaller than the sum of its proper divisors (1278744198896).

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

1245434243344 is a wasteful number, since it uses less digits than its factorization.

1245434243344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6008 (or 6002 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 43.

Adding to 1245434243344 its reverse (4433424345421), we get a palindrome (5678858588765).

The spelling of 1245434243344 in words is "one trillion, two hundred forty-five billion, four hundred thirty-four million, two hundred forty-three thousand, three hundred forty-four".