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144037517 = 133531237
BaseRepresentation
bin10001001010111…
…01011010001101
3101001000212022212
420211131122031
5243333200032
622143120205
73366204311
oct1045353215
9331025285
10144037517
117433a578
12402a3065
1323ac2000
14151b5b41
15c9a2bb2
hex895d68d

144037517 has 16 divisors (see below), whose sum is σ = 159107760. Its totient is φ = 130343616.

The previous prime is 144037489. The next prime is 144037567. The reversal of 144037517 is 715730441.

144037517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 64096036 + 79941481 = 8006^2 + 8941^2 .

It is not a de Polignac number, because 144037517 - 216 = 143971981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144037567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115823 + ... + 117059.

It is an arithmetic number, because the mean of its divisors is an integer number (9944235).

Almost surely, 2144037517 is an apocalyptic number.

It is an amenable number.

144037517 is a deficient number, since it is larger than the sum of its proper divisors (15070243).

144037517 is an equidigital number, since it uses as much as digits as its factorization.

144037517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 1303 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 144037517 is about 12001.5631065291. The cubic root of 144037517 is about 524.1937944979.

Adding to 144037517 its reverse (715730441), we get a palindrome (859767958).

The spelling of 144037517 in words is "one hundred forty-four million, thirty-seven thousand, five hundred seventeen".

Divisors: 1 13 53 169 689 1237 2197 8957 16081 65561 116441 209053 852293 2717689 11079809 144037517