143332642 has 8 divisors (see below), whose sum is σ = 224346816. Its totient is φ = 68550372.

The previous prime is 143332613. The next prime is 143332649. The reversal of 143332642 is 246233341.

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

It is a self number, because there is not a number n which added to its sum of digits gives 143332642.

It is not an unprimeable number, because it can be changed into a prime (143332649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1557918 + ... + 1558009.

It is an arithmetic number, because the mean of its divisors is an integer number (28043352).

Almost surely, 2^143332642 is an apocalyptic number.

143332642 is a deficient number, since it is larger than the sum of its proper divisors (81014174).

143332642 is a wasteful number, since it uses less digits than its factorization.

143332642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115952.

The product of its digits is 10368, while the sum is 28.

The square root of 143332642 is about 11972.1611248763. The cubic root of 143332642 is about 523.3373151639.

Adding to 143332642 its reverse (246233341), we get a palindrome (389565983).

The spelling of 143332642 in words is "one hundred forty-three million, three hundred thirty-two thousand, six hundred forty-two".