1142454120424 has 16 divisors (see below), whose sum is σ = 2144349235620. Its totient is φ = 570627657600.

The previous prime is 1142454120421. The next prime is 1142454120433. The reversal of 1142454120424 is 4240214542411.

It can be written as a sum of positive squares in 2 ways, for example, as 1123002239524 + 19451880900 = 1059718^2 + 139470^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1142454120424.

It is not an unprimeable number, because it can be changed into a prime (1142454120421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74917227 + ... + 74932474.

Almost surely, 2^{1142454120424} is an apocalyptic number.

It is an amenable number.

1142454120424 is a deficient number, since it is larger than the sum of its proper divisors (1001895115196).

1142454120424 is a wasteful number, since it uses less digits than its factorization.

1142454120424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149850660 (or 149850656 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 34.

Adding to 1142454120424 its reverse (4240214542411), we get a palindrome (5382668662835).

The spelling of 1142454120424 in words is "one trillion, one hundred forty-two billion, four hundred fifty-four million, one hundred twenty thousand, four hundred twenty-four".