1143219673 has 8 divisors (see below), whose sum is σ = 1188266688. Its totient is φ = 1098917424.

The previous prime is 1143219661. The next prime is 1143219677. The reversal of 1143219673 is 3769123411.

It is the 13804-th star number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1143219673 - 2²⁵ = 1109665241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143219677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183061 + ... + 189202.

It is an arithmetic number, because the mean of its divisors is an integer number (148533336).

Almost surely, 2^1143219673 is an apocalyptic number.

It is an amenable number.

1143219673 is a deficient number, since it is larger than the sum of its proper divisors (45047015).

1143219673 is an equidigital number, since it uses as much as digits as its factorization.

1143219673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372383.

The product of its digits is 27216, while the sum is 37.

The square root of 1143219673 is about 33811.5316571137. The cubic root of 1143219673 is about 1045.6264561806.

The spelling of 1143219673 in words is "one billion, one hundred forty-three million, two hundred nineteen thousand, six hundred seventy-three".