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144964 = 2236241
BaseRepresentation
bin100011011001000100
321100212001
4203121010
514114324
63035044
71142431
oct433104
9240761
10144964
1199a06
126ba84
1350ca1
143ab88
152ce44
hex23644

144964 has 6 divisors (see below), whose sum is σ = 253694. Its totient is φ = 72480.

The previous prime is 144961. The next prime is 144967. The reversal of 144964 is 469441.

It is an interprime number because it is at equal distance from previous prime (144961) and next prime (144967).

It can be written as a sum of positive squares in only one way, i.e., 78400 + 66564 = 280^2 + 258^2 .

It is a super-2 number, since 2×1449642 = 42029122592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18117 + ... + 18124.

2144964 is an apocalyptic number.

It is an amenable number.

144964 is a deficient number, since it is larger than the sum of its proper divisors (108730).

144964 is a wasteful number, since it uses less digits than its factorization.

144964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36245 (or 36243 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 144964 is about 380.7413820430. The cubic root of 144964 is about 52.5315305682.

It can be divided in two parts, 14 and 4964, that multiplied together give a palindrome (69496).

The spelling of 144964 in words is "one hundred forty-four thousand, nine hundred sixty-four".

Divisors: 1 2 4 36241 72482 144964