1142400033 has 6 divisors (see below), whose sum is σ = 1650133394. Its totient is φ = 761600016.

The previous prime is 1142400031. The next prime is 1142400037. The reversal of 1142400033 is 3300042411.

It can be written as a sum of positive squares in only one way, i.e., 1016780769 + 125619264 = 31887^2 + 11208^2 .

It is not a de Polignac number, because 1142400033 - 2¹ = 1142400031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142399979 and 1142400015.

It is not an unprimeable number, because it can be changed into a prime (1142400031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63466660 + ... + 63466677.

Almost surely, 2^1142400033 is an apocalyptic number.

It is an amenable number.

1142400033 is a deficient number, since it is larger than the sum of its proper divisors (507733361).

1142400033 is a wasteful number, since it uses less digits than its factorization.

1142400033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126933343 (or 126933340 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1142400033 is about 33799.4087670184. The cubic root of 1142400033 is about 1045.3765065018.

Adding to 1142400033 its reverse (3300042411), we get a palindrome (4442442444).

The spelling of 1142400033 in words is "one billion, one hundred forty-two million, four hundred thousand, thirty-three".