Search a number
-
+
143140103 = 199719297
BaseRepresentation
bin10001000100000…
…10010100000111
3100222100021022022
420202002110013
5243120440403
622111553355
73355446041
oct1042022407
9328307268
10143140103
1173887307
123bb2b85b
13238696b2
1415020a91
15c876d38
hex8882507

143140103 has 4 divisors (see below), whose sum is σ = 143859600. Its totient is φ = 142420608.

The previous prime is 143140097. The next prime is 143140133. The reversal of 143140103 is 301041341.

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

It is a cyclic number.

It is not a de Polignac number, because 143140103 - 210 = 143139079 is a prime.

It is a Duffinian number.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143140133) 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, 359450 + ... + 359847.

It is an arithmetic number, because the mean of its divisors is an integer number (35964900).

Almost surely, 2143140103 is an apocalyptic number.

143140103 is a deficient number, since it is larger than the sum of its proper divisors (719497).

143140103 is an equidigital number, since it uses as much as digits as its factorization.

143140103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719496.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 143140103 is about 11964.1173096890. The cubic root of 143140103 is about 523.1028768347.

Adding to 143140103 its reverse (301041341), we get a palindrome (444181444).

The spelling of 143140103 in words is "one hundred forty-three million, one hundred forty thousand, one hundred three".

Divisors: 1 199 719297 143140103