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141243 = 323289
BaseRepresentation
bin100010011110111011
321011202020
4202132323
514004433
63005523
71125534
oct423673
9234666
10141243
1197133
12698a3
134c39b
143968b
152bcb3
hex227bb

141243 has 12 divisors (see below), whose sum is σ = 199080. Its totient is φ = 89056.

The previous prime is 141241. The next prime is 141257. The reversal of 141243 is 342141.

It is not a de Polignac number, because 141243 - 21 = 141241 is a prime.

It is a plaindrome in base 9 and base 16.

It is not an unprimeable number, because it can be changed into a prime (141241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1543 + ... + 1631.

It is an arithmetic number, because the mean of its divisors is an integer number (16590).

2141243 is an apocalyptic number.

141243 is a deficient number, since it is larger than the sum of its proper divisors (57837).

141243 is an equidigital number, since it uses as much as digits as its factorization.

141243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 115 counting only the distinct ones).

The product of its digits is 96, while the sum is 15.

The square root of 141243 is about 375.8230966825. The cubic root of 141243 is about 52.0781615487.

Adding to 141243 its reverse (342141), we get a palindrome (483384).

The spelling of 141243 in words is "one hundred forty-one thousand, two hundred forty-three", and thus it is an iban number.

Divisors: 1 3 23 69 89 267 529 1587 2047 6141 47081 141243