Search a number
-
+
141523 = 971459
BaseRepresentation
bin100010100011010011
321012010121
4202203103
514012043
63011111
71126414
oct424323
9235117
10141523
1197368
1269a97
134c555
143980b
152bded
hex228d3

141523 has 4 divisors (see below), whose sum is σ = 143080. Its totient is φ = 139968.

The previous prime is 141511. The next prime is 141529. The reversal of 141523 is 325141.

Adding to 141523 its reverse (325141), we get a palindrome (466664).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325141 = 541601.

It is a 7-Lehmer number, since φ(141523) divides (141523-1)7.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-141523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141497 and 141506.

It is not an unprimeable number, because it can be changed into a prime (141529) 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, 633 + ... + 826.

It is an arithmetic number, because the mean of its divisors is an integer number (35770).

2141523 is an apocalyptic number.

141523 is a deficient number, since it is larger than the sum of its proper divisors (1557).

141523 is an equidigital number, since it uses as much as digits as its factorization.

141523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556.

The product of its digits is 120, while the sum is 16.

The square root of 141523 is about 376.1954279361. The cubic root of 141523 is about 52.1125520675.

The spelling of 141523 in words is "one hundred forty-one thousand, five hundred twenty-three".

Divisors: 1 97 1459 141523