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144523241 = 1027114071
BaseRepresentation
bin10001001110100…
…11111111101001
3101001221112121122
420213103333221
5243444220431
622201345025
73403266362
oct1047237751
9331845548
10144523241
11746414a5
1240498175
1323c32115
14152a0b69
15ca4ba7b
hex89d3fe9

144523241 has 4 divisors (see below), whose sum is σ = 144547584. Its totient is φ = 144498900.

The previous prime is 144523231. The next prime is 144523243. The reversal of 144523241 is 142325441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 144523241 - 218 = 144261097 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 144523241.

It is not an unprimeable number, because it can be changed into a prime (144523243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3236 + ... + 17306.

It is an arithmetic number, because the mean of its divisors is an integer number (36136896).

Almost surely, 2144523241 is an apocalyptic number.

It is an amenable number.

144523241 is a deficient number, since it is larger than the sum of its proper divisors (24343).

144523241 is a wasteful number, since it uses less digits than its factorization.

144523241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24342.

The product of its digits is 3840, while the sum is 26.

The square root of 144523241 is about 12021.7819394631. The cubic root of 144523241 is about 524.7823630042.

Adding to 144523241 its reverse (142325441), we get a palindrome (286848682).

The spelling of 144523241 in words is "one hundred forty-four million, five hundred twenty-three thousand, two hundred forty-one".

Divisors: 1 10271 14071 144523241