143297314 has 24 divisors (see below), whose sum is σ = 232259328. Its totient is φ = 66113520.

The previous prime is 143297311. The next prime is 143297327. The reversal of 143297314 is 413792341.

It is a super-2 number, since 2×143297314² = 41068240399229192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 143297314.

It is not an unprimeable number, because it can be changed into a prime (143297311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 451884 + ... + 452200.

It is an arithmetic number, because the mean of its divisors is an integer number (9677472).

Almost surely, 2^143297314 is an apocalyptic number.

143297314 is a deficient number, since it is larger than the sum of its proper divisors (88962014).

143297314 is an equidigital number, since it uses as much as digits as its factorization.

143297314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 373 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 143297314 is about 11970.6856111085. The cubic root of 143297314 is about 523.2943150033.

The spelling of 143297314 in words is "one hundred forty-three million, two hundred ninety-seven thousand, three hundred fourteen".