143552213 has 6 divisors (see below), whose sum is σ = 166989366. Its totient is φ = 123044712.

The previous prime is 143552207. The next prime is 143552221. The reversal of 143552213 is 312255341.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 143448529 + 103684 = 11977^2 + 322^2 .

It is not a de Polignac number, because 143552213 - 2¹⁴ = 143535829 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 (143552293) 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, 1464770 + ... + 1464867.

It is an arithmetic number, because the mean of its divisors is an integer number (27831561).

Almost surely, 2^143552213 is an apocalyptic number.

It is an amenable number.

143552213 is a deficient number, since it is larger than the sum of its proper divisors (23437153).

143552213 is an equidigital number, since it uses as much as digits as its factorization.

143552213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929651 (or 2929644 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 143552213 is about 11981.3276810210. The cubic root of 143552213 is about 523.6044119658.

The spelling of 143552213 in words is "one hundred forty-three million, five hundred fifty-two thousand, two hundred thirteen".