1142799433 has 16 divisors (see below), whose sum is σ = 1212710400. Its totient is φ = 1075052160.

The previous prime is 1142799419. The next prime is 1142799439. The reversal of 1142799433 is 3349972411.

It is a cyclic number.

It is not a de Polignac number, because 1142799433 - 2¹⁷ = 1142668361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 1142799433.

It is not an unprimeable number, because it can be changed into a prime (1142799439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648808 + ... + 650566.

It is an arithmetic number, because the mean of its divisors is an integer number (75794400).

Almost surely, 2^1142799433 is an apocalyptic number.

It is an amenable number.

1142799433 is a deficient number, since it is larger than the sum of its proper divisors (69910967).

1142799433 is a wasteful number, since it uses less digits than its factorization.

1142799433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352.

The product of its digits is 163296, while the sum is 43.

The square root of 1142799433 is about 33805.3166380675. The cubic root of 1142799433 is about 1045.4983186857.

The spelling of 1142799433 in words is "one billion, one hundred forty-two million, seven hundred ninety-nine thousand, four hundred thirty-three".