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144440335 = 5134183653
BaseRepresentation
bin10001001101111…
…11110000001111
3101001210022220001
420212333300033
5243434042320
622155505131
73402502564
oct1046776017
9331708801
10144440335
1174595186
12404581a7
1323c03470
141527c86b
15ca3220a
hex89bfc0f

144440335 has 32 divisors (see below), whose sum is σ = 193814208. Its totient is φ = 102650880.

The previous prime is 144440293. The next prime is 144440339. The reversal of 144440335 is 533044441.

It is not a de Polignac number, because 144440335 - 213 = 144432143 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 (144440339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220869 + ... + 221521.

It is an arithmetic number, because the mean of its divisors is an integer number (6056694).

Almost surely, 2144440335 is an apocalyptic number.

144440335 is a deficient number, since it is larger than the sum of its proper divisors (49373873).

144440335 is a wasteful number, since it uses less digits than its factorization.

144440335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 144440335 is about 12018.3332871077. Note that the first 3 decimals coincide. The cubic root of 144440335 is about 524.6819963818.

Adding to 144440335 its reverse (533044441), we get a palindrome (677484776).

The spelling of 144440335 in words is "one hundred forty-four million, four hundred forty thousand, three hundred thirty-five".

Divisors: 1 5 13 41 65 83 205 415 533 653 1079 2665 3265 3403 5395 8489 17015 26773 42445 44239 54199 133865 221195 270995 348049 704587 1740245 2222159 3522935 11110795 28888067 144440335