143225639 has 2 divisors, whose sum is σ = 143225640. Its totient is φ = 143225638.

The previous prime is 143225633. The next prime is 143225651. The reversal of 143225639 is 936522341.

It is a weak prime.

It is an emirp because it is prime and its reverse (936522341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143225639 - 2¹⁶ = 143160103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143225599 and 143225608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143225633) 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, 71612819 + 71612820.

It is an arithmetic number, because the mean of its divisors is an integer number (71612820).

Almost surely, 2^143225639 is an apocalyptic number.

143225639 is a deficient number, since it is larger than the sum of its proper divisors (1).

143225639 is an equidigital number, since it uses as much as digits as its factorization.

143225639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 35.

The square root of 143225639 is about 11967.6914649401. The cubic root of 143225639 is about 523.2070526670.

The spelling of 143225639 in words is "one hundred forty-three million, two hundred twenty-five thousand, six hundred thirty-nine".