1143477113 has 4 divisors (see below), whose sum is σ = 1170069648. Its totient is φ = 1116884580.

The previous prime is 1143477089. The next prime is 1143477149. The reversal of 1143477113 is 3117743411.

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.

It is not a de Polignac number, because 1143477113 - 2¹² = 1143473017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1143477113.

It is not an unprimeable number, because it can be changed into a prime (1143470113) 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, 13296203 + ... + 13296288.

It is an arithmetic number, because the mean of its divisors is an integer number (292517412).

Almost surely, 2^1143477113 is an apocalyptic number.

It is an amenable number.

1143477113 is a deficient number, since it is larger than the sum of its proper divisors (26592535).

1143477113 is an equidigital number, since it uses as much as digits as its factorization.

1143477113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26592534.

The product of its digits is 7056, while the sum is 32.

The square root of 1143477113 is about 33815.3384279974. The cubic root of 1143477113 is about 1045.7049379976.

The spelling of 1143477113 in words is "one billion, one hundred forty-three million, four hundred seventy-seven thousand, one hundred thirteen".