1143374303 has 4 divisors (see below), whose sum is σ = 1146981480. Its totient is φ = 1139767128.

The previous prime is 1143374291. The next prime is 1143374317. The reversal of 1143374303 is 3034733411.

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 1143374303 - 2⁸ = 1143374047 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 (1143374383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1803113 + ... + 1803746.

It is an arithmetic number, because the mean of its divisors is an integer number (286745370).

Almost surely, 2^1143374303 is an apocalyptic number.

1143374303 is a deficient number, since it is larger than the sum of its proper divisors (3607177).

1143374303 is an equidigital number, since it uses as much as digits as its factorization.

1143374303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607176.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 1143374303 is about 33813.8182256899. The cubic root of 1143374303 is about 1045.6735972896.

The spelling of 1143374303 in words is "one billion, one hundred forty-three million, three hundred seventy-four thousand, three hundred three".