1142233101440 has 32 divisors (see below), whose sum is σ = 2730651009660. Its totient is φ = 456893240320.

The previous prime is 1142233101419. The next prime is 1142233101481. The reversal of 1142233101440 is 441013322411.

It can be written as a sum of positive squares in 2 ways, for example, as 969689233984 + 172543867456 = 984728^2 + 415384^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892368971 + ... + 892370250.

Almost surely, 2^{1142233101440} is an apocalyptic number.

1142233101440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142233101440 is an abundant number, since it is smaller than the sum of its proper divisors (1588417908220).

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

1142233101440 is an equidigital number, since it uses as much as digits as its factorization.

1142233101440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784739240 (or 1784739228 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1142233101440 its reverse (441013322411), we get a palindrome (1583246423851).

The spelling of 1142233101440 in words is "one trillion, one hundred forty-two billion, two hundred thirty-three million, one hundred one thousand, four hundred forty".