1144102643 has 2 divisors, whose sum is σ = 1144102644. Its totient is φ = 1144102642.

The previous prime is 1144102637. The next prime is 1144102657. The reversal of 1144102643 is 3462014411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1144102643 - 2²⁶ = 1076993779 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144102343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572051321 + 572051322.

It is an arithmetic number, because the mean of its divisors is an integer number (572051322).

Almost surely, 2^1144102643 is an apocalyptic number.

1144102643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144102643 is an equidigital number, since it uses as much as digits as its factorization.

1144102643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1144102643 is about 33824.5863684983. The cubic root of 1144102643 is about 1045.8955847427.

The spelling of 1144102643 in words is "one billion, one hundred forty-four million, one hundred two thousand, six hundred forty-three".