1143173716 has 6 divisors (see below), whose sum is σ = 2000554010. Its totient is φ = 571586856.

The previous prime is 1143173693. The next prime is 1143173723. The reversal of 1143173716 is 6173713411.

It can be written as a sum of positive squares in only one way, i.e., 704690116 + 438483600 = 26546^2 + 20940^2 .

It is a super-2 number, since 2×1143173716² = 2613692289906497312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142896711 + ... + 142896718.

Almost surely, 2^1143173716 is an apocalyptic number.

It is an amenable number.

1143173716 is a deficient number, since it is larger than the sum of its proper divisors (857380294).

1143173716 is a wasteful number, since it uses less digits than its factorization.

1143173716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285793433 (or 285793431 counting only the distinct ones).

The product of its digits is 10584, while the sum is 34.

The square root of 1143173716 is about 33810.8520448687. The cubic root of 1143173716 is about 1045.6124447296.

The spelling of 1143173716 in words is "one billion, one hundred forty-three million, one hundred seventy-three thousand, seven hundred sixteen".