143634313 has 6 divisors (see below), whose sum is σ = 144291102. Its totient is φ = 142980480.

The previous prime is 143634307. The next prime is 143634317. The reversal of 143634313 is 313436341.

It can be written as a sum of positive squares in 3 ways, for example, as 71774784 + 71859529 = 8472^2 + 8477^2 .

It is not a de Polignac number, because 143634313 - 2⁹ = 143633801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143634317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56845 + ... + 59317.

It is an arithmetic number, because the mean of its divisors is an integer number (24048517).

Almost surely, 2^143634313 is an apocalyptic number.

It is an amenable number.

143634313 is a deficient number, since it is larger than the sum of its proper divisors (656789).

143634313 is an frugal number, since it uses more digits than its factorization.

143634313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2955 (or 2714 counting only the distinct ones).

The product of its digits is 7776, while the sum is 28.

The square root of 143634313 is about 11984.7533558267. The cubic root of 143634313 is about 523.7042124234.

The spelling of 143634313 in words is "one hundred forty-three million, six hundred thirty-four thousand, three hundred thirteen".