1254451431142 has 16 divisors (see below), whose sum is σ = 2315910334752. Its totient is φ = 496266500160.

The previous prime is 1254451431139. The next prime is 1254451431143. The reversal of 1254451431142 is 2411341544521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254451431143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3446294959 + ... + 3446295322.

It is an arithmetic number, because the mean of its divisors is an integer number (144744395922).

Almost surely, 2^{1254451431142} is an apocalyptic number.

1254451431142 is a deficient number, since it is larger than the sum of its proper divisors (1061458903610).

1254451431142 is a wasteful number, since it uses less digits than its factorization.

1254451431142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6892590303.

The product of its digits is 76800, while the sum is 37.

Adding to 1254451431142 its reverse (2411341544521), we get a palindrome (3665792975663).

The spelling of 1254451431142 in words is "one trillion, two hundred fifty-four billion, four hundred fifty-one million, four hundred thirty-one thousand, one hundred forty-two".