143024642 has 4 divisors (see below), whose sum is σ = 214536966. Its totient is φ = 71512320.

The previous prime is 143024639. The next prime is 143024701. The reversal of 143024642 is 246420341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 138980521 + 4044121 = 11789^2 + 2011^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35756159 + ... + 35756162.

Almost surely, 2^143024642 is an apocalyptic number.

143024642 is a deficient number, since it is larger than the sum of its proper divisors (71512324).

143024642 is an equidigital number, since it uses as much as digits as its factorization.

143024642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71512323.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 143024642 is about 11959.2910324985. The cubic root of 143024642 is about 522.9621889658.

Adding to 143024642 its reverse (246420341), we get a palindrome (389444983).

The spelling of 143024642 in words is "one hundred forty-three million, twenty-four thousand, six hundred forty-two".