143674213 has 4 divisors (see below), whose sum is σ = 145288620. Its totient is φ = 142059808.

The previous prime is 143674129. The next prime is 143674247. The reversal of 143674213 is 312476341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34304449 + 109369764 = 5857^2 + 10458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143674213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143674273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 807070 + ... + 807247.

It is an arithmetic number, because the mean of its divisors is an integer number (36322155).

Almost surely, 2^143674213 is an apocalyptic number.

It is an amenable number.

143674213 is a deficient number, since it is larger than the sum of its proper divisors (1614407).

143674213 is an equidigital number, since it uses as much as digits as its factorization.

143674213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614406.

The product of its digits is 12096, while the sum is 31.

The square root of 143674213 is about 11986.4178552226. The cubic root of 143674213 is about 523.7527009846.

The spelling of 143674213 in words is "one hundred forty-three million, six hundred seventy-four thousand, two hundred thirteen".