Search a number
-
+
144117533 = 722790697
BaseRepresentation
bin10001001011100…
…00111100011101
3101001011221002102
420211300330131
5243343230113
622144534445
73366656510
oct1045607435
9331157072
10144117533
11743946aa
1240321425
1323b1c561
14151d6d77
15c9bb758
hex8970f1d

144117533 has 8 divisors (see below), whose sum is σ = 165433152. Its totient is φ = 122983776.

The previous prime is 144117503. The next prime is 144117577. The reversal of 144117533 is 335711441.

144117533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144117533 - 218 = 143855389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144117496 and 144117505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144117503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43760 + ... + 46937.

It is an arithmetic number, because the mean of its divisors is an integer number (20679144).

Almost surely, 2144117533 is an apocalyptic number.

It is an amenable number.

144117533 is a deficient number, since it is larger than the sum of its proper divisors (21315619).

144117533 is an equidigital number, since it uses as much as digits as its factorization.

144117533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90931.

The product of its digits is 5040, while the sum is 29.

The square root of 144117533 is about 12004.8962094639. The cubic root of 144117533 is about 524.2908435794.

Adding to 144117533 its reverse (335711441), we get a palindrome (479828974).

The spelling of 144117533 in words is "one hundred forty-four million, one hundred seventeen thousand, five hundred thirty-three".

Divisors: 1 7 227 1589 90697 634879 20588219 144117533