1142330399 has 4 divisors (see below), whose sum is σ = 1305520464. Its totient is φ = 979140336.

The previous prime is 1142330393. The next prime is 1142330429. The reversal of 1142330399 is 9930332411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1142330399 - 2⁴ = 1142330383 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 (1142330393) 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, 81595022 + ... + 81595035.

It is an arithmetic number, because the mean of its divisors is an integer number (326380116).

Almost surely, 2^1142330399 is an apocalyptic number.

1142330399 is a deficient number, since it is larger than the sum of its proper divisors (163190065).

1142330399 is an equidigital number, since it uses as much as digits as its factorization.

1142330399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163190064.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 1142330399 is about 33798.3786445445. The cubic root of 1142330399 is about 1045.3552660651.

The spelling of 1142330399 in words is "one billion, one hundred forty-two million, three hundred thirty thousand, three hundred ninety-nine".