1142040433 has 12 divisors (see below), whose sum is σ = 1215498960. Its totient is φ = 1072799552.

The previous prime is 1142040401. The next prime is 1142040439. The reversal of 1142040433 is 3340402411.

It is not a de Polignac number, because 1142040433 - 2⁵ = 1142040401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142040439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159198 + ... + 166216.

It is an arithmetic number, because the mean of its divisors is an integer number (101291580).

Almost surely, 2^1142040433 is an apocalyptic number.

It is an amenable number.

1142040433 is a deficient number, since it is larger than the sum of its proper divisors (73458527).

1142040433 is an equidigital number, since it uses as much as digits as its factorization.

1142040433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7616 (or 7599 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1142040433 is about 33794.0887286519. The cubic root of 1142040433 is about 1045.2668085469.

Adding to 1142040433 its reverse (3340402411), we get a palindrome (4482442844).

The spelling of 1142040433 in words is "one billion, one hundred forty-two million, forty thousand, four hundred thirty-three".