143972103 has 16 divisors (see below), whose sum is σ = 209664000. Its totient is φ = 87151680.

The previous prime is 143972093. The next prime is 143972107. The reversal of 143972103 is 301279341.

It is not a de Polignac number, because 143972103 - 2⁹ = 143971591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143972107) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 32538 + ... + 36696.

It is an arithmetic number, because the mean of its divisors is an integer number (13104000).

Almost surely, 2^143972103 is an apocalyptic number.

143972103 is a deficient number, since it is larger than the sum of its proper divisors (65691897).

143972103 is a wasteful number, since it uses less digits than its factorization.

143972103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5222.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 143972103 is about 11998.8375686981. The cubic root of 143972103 is about 524.1144290527.

The spelling of 143972103 in words is "one hundred forty-three million, nine hundred seventy-two thousand, one hundred three".