1245344343042 has 16 divisors (see below), whose sum is σ = 2532903749280. Its totient is φ = 408078937152.

The previous prime is 1245344343011. The next prime is 1245344343043. The reversal of 1245344343042 is 2403434435421.

It is not an unprimeable number, because it can be changed into a prime (1245344343043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1758960583 + ... + 1758961290.

It is an arithmetic number, because the mean of its divisors is an integer number (158306484330).

Almost surely, 2^{1245344343042} is an apocalyptic number.

1245344343042 is an abundant number, since it is smaller than the sum of its proper divisors (1287559406238).

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

1245344343042 is a wasteful number, since it uses less digits than its factorization.

1245344343042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3517921937.

The product of its (nonzero) digits is 552960, while the sum is 39.

Adding to 1245344343042 its reverse (2403434435421), we get a palindrome (3648778778463).

The spelling of 1245344343042 in words is "one trillion, two hundred forty-five billion, three hundred forty-four million, three hundred forty-three thousand, forty-two".