1143073705 has 16 divisors (see below), whose sum is σ = 1387943424. Its totient is φ = 903651840.

The previous prime is 1143073691. The next prime is 1143073769. The reversal of 1143073705 is 5073703411.

It is not a de Polignac number, because 1143073705 - 2⁷ = 1143073577 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417190 + ... + 419920.

It is an arithmetic number, because the mean of its divisors is an integer number (86746464).

Almost surely, 2^1143073705 is an apocalyptic number.

It is an amenable number.

1143073705 is a deficient number, since it is larger than the sum of its proper divisors (244869719).

1143073705 is an equidigital number, since it uses as much as digits as its factorization.

1143073705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3696.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 1143073705 is about 33809.3730347074. The cubic root of 1143073705 is about 1045.5819519024.

The spelling of 1143073705 in words is "one billion, one hundred forty-three million, seventy-three thousand, seven hundred five".