143279713 has 2 divisors, whose sum is σ = 143279714. Its totient is φ = 143279712.

The previous prime is 143279699. The next prime is 143279753. The reversal of 143279713 is 317972341.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122921569 + 20358144 = 11087^2 + 4512^2 .

It is a cyclic number.

It is not a de Polignac number, because 143279713 - 2¹³ = 143271521 is a prime.

It is not a weakly prime, because it can be changed into another prime (143279753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71639856 + 71639857.

It is an arithmetic number, because the mean of its divisors is an integer number (71639857).

Almost surely, 2^143279713 is an apocalyptic number.

It is an amenable number.

143279713 is a deficient number, since it is larger than the sum of its proper divisors (1).

143279713 is an equidigital number, since it uses as much as digits as its factorization.

143279713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 37.

The square root of 143279713 is about 11969.9504176083. The cubic root of 143279713 is about 523.2728889670.

The spelling of 143279713 in words is "one hundred forty-three million, two hundred seventy-nine thousand, seven hundred thirteen".