143761313 has 2 divisors, whose sum is σ = 143761314. Its totient is φ = 143761312.

The previous prime is 143761283. The next prime is 143761327. The reversal of 143761313 is 313167341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142253329 + 1507984 = 11927^2 + 1228^2 .

It is a cyclic number.

It is not a de Polignac number, because 143761313 - 2⁶ = 143761249 is a prime.

It is not a weakly prime, because it can be changed into another prime (143761393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71880656 + 71880657.

It is an arithmetic number, because the mean of its divisors is an integer number (71880657).

Almost surely, 2^143761313 is an apocalyptic number.

It is an amenable number.

143761313 is a deficient number, since it is larger than the sum of its proper divisors (1).

143761313 is an equidigital number, since it uses as much as digits as its factorization.

143761313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 29.

The square root of 143761313 is about 11990.0505837131. The cubic root of 143761313 is about 523.8585182681.

The spelling of 143761313 in words is "one hundred forty-three million, seven hundred sixty-one thousand, three hundred thirteen".