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144968 = 2318121
BaseRepresentation
bin100011011001001000
321100212012
4203121020
514114333
63035052
71142435
oct433110
9240765
10144968
1199a0a
126ba88
1350ca5
143ab8c
152ce48
hex23648

144968 has 8 divisors (see below), whose sum is σ = 271830. Its totient is φ = 72480.

The previous prime is 144967. The next prime is 144973. The reversal of 144968 is 869441.

It can be written as a sum of positive squares in only one way, i.e., 131044 + 13924 = 362^2 + 118^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 8.

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, 9053 + ... + 9068.

2144968 is an apocalyptic number.

It is an amenable number.

144968 is a deficient number, since it is larger than the sum of its proper divisors (126862).

144968 is a wasteful number, since it uses less digits than its factorization.

144968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18127 (or 18123 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 144968 is about 380.7466349162. The cubic root of 144968 is about 52.5320137323.

The spelling of 144968 in words is "one hundred forty-four thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 18121 36242 72484 144968