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144953 = 433371
BaseRepresentation
bin100011011000111001
321100211122
4203120321
514114303
63035025
71142414
oct433071
9240748
10144953
11999a6
126ba75
1350c93
143ab7b
152ce38
hex23639

144953 has 4 divisors (see below), whose sum is σ = 148368. Its totient is φ = 141540.

The previous prime is 144941. The next prime is 144961. The reversal of 144953 is 359441.

144953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144953 - 26 = 144889 is a prime.

It is a super-2 number, since 2×1449532 = 42022744418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1643 + ... + 1728.

It is an arithmetic number, because the mean of its divisors is an integer number (37092).

2144953 is an apocalyptic number.

It is an amenable number.

144953 is a deficient number, since it is larger than the sum of its proper divisors (3415).

144953 is an equidigital number, since it uses as much as digits as its factorization.

144953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414.

The product of its digits is 2160, while the sum is 26.

The square root of 144953 is about 380.7269362680. The cubic root of 144953 is about 52.5302018212.

The spelling of 144953 in words is "one hundred forty-four thousand, nine hundred fifty-three".

Divisors: 1 43 3371 144953