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144254 = 2117983
BaseRepresentation
bin100011001101111110
321022212202
4203031332
514104004
63031502
71140365
oct431576
9238782
10144254
1199420
126b592
1350876
143a7dc
152cb1e
hex2337e

144254 has 16 divisors (see below), whose sum is σ = 241920. Its totient is φ = 63960.

The previous prime is 144253. The next prime is 144259. The reversal of 144254 is 452441.

Adding to 144254 its reverse (452441), we get a palindrome (596695).

It is a d-powerful number, because it can be written as 1 + 42 + 29 + 43 + 57 + 48 .

It is a plaindrome in base 16.

It is a nialpdrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 144254.

It is not an unprimeable number, because it can be changed into a prime (144253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1697 + ... + 1779.

It is an arithmetic number, because the mean of its divisors is an integer number (15120).

2144254 is an apocalyptic number.

144254 is a deficient number, since it is larger than the sum of its proper divisors (97666).

144254 is a wasteful number, since it uses less digits than its factorization.

144254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175.

The product of its digits is 640, while the sum is 20.

The square root of 144254 is about 379.8078461538. The cubic root of 144254 is about 52.4456277596.

The spelling of 144254 in words is "one hundred forty-four thousand, two hundred fifty-four".

Divisors: 1 2 11 22 79 83 158 166 869 913 1738 1826 6557 13114 72127 144254