1144193867 has 2 divisors, whose sum is σ = 1144193868. Its totient is φ = 1144193866.

The previous prime is 1144193821. The next prime is 1144193881. The reversal of 1144193867 is 7683914411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1144193867 - 2¹⁴ = 1144177483 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144193467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572096933 + 572096934.

It is an arithmetic number, because the mean of its divisors is an integer number (572096934).

Almost surely, 2^1144193867 is an apocalyptic number.

1144193867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144193867 is an equidigital number, since it uses as much as digits as its factorization.

1144193867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The square root of 1144193867 is about 33825.9348281759. The cubic root of 1144193867 is about 1045.9233818533.

The spelling of 1144193867 in words is "one billion, one hundred forty-four million, one hundred ninety-three thousand, eight hundred sixty-seven".