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144249529 = 883163363
BaseRepresentation
bin10001001100100…
…01001010111001
3101001102122011011
420212101022321
5243411441104
622151433521
73401046364
oct1046211271
9331378134
10144249529
1174474896
12403858a1
1323b67668
141522d0db
15c9e5904
hex89912b9

144249529 has 4 divisors (see below), whose sum is σ = 144413776. Its totient is φ = 144085284.

The previous prime is 144249527. The next prime is 144249571. The reversal of 144249529 is 925942441.

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.

It is a cyclic number.

It is not a de Polignac number, because 144249529 - 21 = 144249527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144249491 and 144249500.

It is not an unprimeable number, because it can be changed into a prime (144249527) 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, 80799 + ... + 82564.

It is an arithmetic number, because the mean of its divisors is an integer number (36103444).

Almost surely, 2144249529 is an apocalyptic number.

It is an amenable number.

144249529 is a deficient number, since it is larger than the sum of its proper divisors (164247).

144249529 is an equidigital number, since it uses as much as digits as its factorization.

144249529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164246.

The product of its digits is 103680, while the sum is 40.

The square root of 144249529 is about 12010.3925414617. The cubic root of 144249529 is about 524.4508592176.

The spelling of 144249529 in words is "one hundred forty-four million, two hundred forty-nine thousand, five hundred twenty-nine".

Divisors: 1 883 163363 144249529