143002639 has 8 divisors (see below), whose sum is σ = 156909312. Its totient is φ = 129511200.

The previous prime is 143002637. The next prime is 143002679. The reversal of 143002639 is 936200341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143002639 - 2¹ = 143002637 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 (143002637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103087 + ... + 104464.

It is an arithmetic number, because the mean of its divisors is an integer number (19613664).

Almost surely, 2^143002639 is an apocalyptic number.

143002639 is a deficient number, since it is larger than the sum of its proper divisors (13906673).

143002639 is a wasteful number, since it uses less digits than its factorization.

143002639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207617.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 143002639 is about 11958.3710847255. The cubic root of 143002639 is about 522.9353699809.

It can be divided in two parts, 143002 and 639, that added together give a square (143641 = 379²).

The spelling of 143002639 in words is "one hundred forty-three million, two thousand, six hundred thirty-nine".