143540103 has 16 divisors (see below), whose sum is σ = 218898176. Its totient is φ = 81959040.

The previous prime is 143540101. The next prime is 143540107. The reversal of 143540103 is 301045341.

It is not a de Polignac number, because 143540103 - 2¹ = 143540101 is a prime.

It is a super-2 number, since 2×143540103² = 41207522338501218, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 143540103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143540101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43800 + ... + 46962.

It is an arithmetic number, because the mean of its divisors is an integer number (13681136).

Almost surely, 2^143540103 is an apocalyptic number.

143540103 is a deficient number, since it is larger than the sum of its proper divisors (75358073).

143540103 is a wasteful number, since it uses less digits than its factorization.

143540103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5334.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 143540103 is about 11980.8223006603. The cubic root of 143540103 is about 523.5896878744.

Adding to 143540103 its reverse (301045341), we get a palindrome (444585444).

The spelling of 143540103 in words is "one hundred forty-three million, five hundred forty thousand, one hundred three".