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144955 = 553547
BaseRepresentation
bin100011011000111011
321100211201
4203120323
514114310
63035031
71142416
oct433073
9240751
10144955
11999a8
126ba77
1350c95
143ab7d
152ce3a
hex2363b

144955 has 8 divisors (see below), whose sum is σ = 177552. Its totient is φ = 113568.

The previous prime is 144941. The next prime is 144961. The reversal of 144955 is 559441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144955 - 211 = 142907 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9 + ... + 538.

It is an arithmetic number, because the mean of its divisors is an integer number (22194).

2144955 is an apocalyptic number.

144955 is a deficient number, since it is larger than the sum of its proper divisors (32597).

144955 is an equidigital number, since it uses as much as digits as its factorization.

144955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605.

The product of its digits is 3600, while the sum is 28.

The square root of 144955 is about 380.7295628133. The cubic root of 144955 is about 52.5304434165.

The spelling of 144955 in words is "one hundred forty-four thousand, nine hundred fifty-five".

Divisors: 1 5 53 265 547 2735 28991 144955