1143377794 has 32 divisors (see below), whose sum is σ = 1930521600. Its totient is φ = 503925312.

The previous prime is 1143377791. The next prime is 1143377797. The reversal of 1143377794 is 4977733411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1143377791) and next prime (1143377797).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (1143377791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475407 + ... + 477805.

It is an arithmetic number, because the mean of its divisors is an integer number (60328800).

Almost surely, 2^1143377794 is an apocalyptic number.

1143377794 is a deficient number, since it is larger than the sum of its proper divisors (787143806).

1143377794 is a wasteful number, since it uses less digits than its factorization.

1143377794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234.

The product of its digits is 444528, while the sum is 46.

The square root of 1143377794 is about 33813.8698465585. The cubic root of 1143377794 is about 1045.6746615205.

The spelling of 1143377794 in words is "one billion, one hundred forty-three million, three hundred seventy-seven thousand, seven hundred ninety-four".