1142302133 has 4 divisors (see below), whose sum is σ = 1305488160. Its totient is φ = 979116108.

The previous prime is 1142302123. The next prime is 1142302201. The reversal of 1142302133 is 3312032411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3312032411 = 73 ⋅45370307.

It is a cyclic number.

It is not a de Polignac number, because 1142302133 - 2¹⁶ = 1142236597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142302123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81593003 + ... + 81593016.

It is an arithmetic number, because the mean of its divisors is an integer number (326372040).

Almost surely, 2^1142302133 is an apocalyptic number.

It is an amenable number.

1142302133 is a deficient number, since it is larger than the sum of its proper divisors (163186027).

1142302133 is an equidigital number, since it uses as much as digits as its factorization.

1142302133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163186026.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1142302133 is about 33797.9604858045. The cubic root of 1142302133 is about 1045.3466438499.

Adding to 1142302133 its reverse (3312032411), we get a palindrome (4454334544).

The spelling of 1142302133 in words is "one billion, one hundred forty-two million, three hundred two thousand, one hundred thirty-three".