143450639 has 2 divisors, whose sum is σ = 143450640. Its totient is φ = 143450638.

The previous prime is 143450611. The next prime is 143450689. The reversal of 143450639 is 936054341.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (936054341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143450639 - 2¹² = 143446543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143450599 and 143450608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143450689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71725319 + 71725320.

It is an arithmetic number, because the mean of its divisors is an integer number (71725320).

Almost surely, 2^143450639 is an apocalyptic number.

143450639 is a deficient number, since it is larger than the sum of its proper divisors (1).

143450639 is an equidigital number, since it uses as much as digits as its factorization.

143450639 is an evil number, because the sum of its binary digits is even.

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

The square root of 143450639 is about 11977.0880851733. The cubic root of 143450639 is about 523.4808863106.

The spelling of 143450639 in words is "one hundred forty-three million, four hundred fifty thousand, six hundred thirty-nine".