143103442 has 8 divisors (see below), whose sum is σ = 214844796. Its totient is φ = 71488512.

The previous prime is 143103439. The next prime is 143103461. The reversal of 143103442 is 244301341.

It can be written as a sum of positive squares in 2 ways, for example, as 141824281 + 1279161 = 11909^2 + 1131^2 .

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

It is a super-2 number, since 2×143103442² = 40957190224494728, which contains 22 as substring.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 28723 + ... + 33334.

Almost surely, 2^143103442 is an apocalyptic number.

143103442 is a deficient number, since it is larger than the sum of its proper divisors (71741354).

143103442 is a wasteful number, since it uses less digits than its factorization.

143103442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63212.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 143103442 is about 11962.5850885166. The cubic root of 143103442 is about 523.0582140378.

Adding to 143103442 its reverse (244301341), we get a palindrome (387404783).

The spelling of 143103442 in words is "one hundred forty-three million, one hundred three thousand, four hundred forty-two".