143742103 has 2 divisors, whose sum is σ = 143742104. Its totient is φ = 143742102.

The previous prime is 143742097. The next prime is 143742161. The reversal of 143742103 is 301247341.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143742103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143742173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71871051 + 71871052.

It is an arithmetic number, because the mean of its divisors is an integer number (71871052).

Almost surely, 2^143742103 is an apocalyptic number.

143742103 is a deficient number, since it is larger than the sum of its proper divisors (1).

143742103 is an equidigital number, since it uses as much as digits as its factorization.

143742103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 143742103 is about 11989.2494760932. The cubic root of 143742103 is about 523.8351838253.

Adding to 143742103 its reverse (301247341), we get a palindrome (444989444).

The spelling of 143742103 in words is "one hundred forty-three million, seven hundred forty-two thousand, one hundred three".