143522103 has 4 divisors (see below), whose sum is σ = 191362808. Its totient is φ = 95681400.

The previous prime is 143522083. The next prime is 143522117. The reversal of 143522103 is 301225341.

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

It is not a de Polignac number, because 143522103 - 2¹² = 143518007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143522103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143522123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23920348 + ... + 23920353.

It is an arithmetic number, because the mean of its divisors is an integer number (47840702).

Almost surely, 2^143522103 is an apocalyptic number.

143522103 is a deficient number, since it is larger than the sum of its proper divisors (47840705).

143522103 is an equidigital number, since it uses as much as digits as its factorization.

143522103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47840704.

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

The square root of 143522103 is about 11980.0710765838. The cubic root of 143522103 is about 523.5678008241.

Adding to 143522103 its reverse (301225341), we get a palindrome (444747444).

The spelling of 143522103 in words is "one hundred forty-three million, five hundred twenty-two thousand, one hundred three".