143019049 has 2 divisors, whose sum is σ = 143019050. Its totient is φ = 143019048.

The previous prime is 143019007. The next prime is 143019067. The reversal of 143019049 is 940910341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131675625 + 11343424 = 11475^2 + 3368^2 .

It is a cyclic number.

It is not a de Polignac number, because 143019049 - 2¹⁷ = 142887977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143019049.

It is not a weakly prime, because it can be changed into another prime (143019649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71509524 + 71509525.

It is an arithmetic number, because the mean of its divisors is an integer number (71509525).

Almost surely, 2^143019049 is an apocalyptic number.

It is an amenable number.

143019049 is a deficient number, since it is larger than the sum of its proper divisors (1).

143019049 is an equidigital number, since it uses as much as digits as its factorization.

143019049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 143019049 is about 11959.0571952809. The cubic root of 143019049 is about 522.9553720388.

The spelling of 143019049 in words is "one hundred forty-three million, nineteen thousand, forty-nine".