144894 has 32 divisors (see below), whose sum is σ = 322560. Its totient is φ = 43200.
The previous prime is 144889. The next prime is 144899. The reversal of 144894 is 498441.
It is an interprime number because it is at equal distance from previous prime (144889) and next prime (144899).
Its product of digits (4608) is a multiple of the sum of its prime divisors (96).
It is a Curzon number.
It is a nialpdrome in base 11.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144899) by changing a digit.
144894 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3514 + ... + 3554.
It is an arithmetic number, because the mean of its divisors is an integer number (10080).
2144894 is an apocalyptic number.
144894 is an abundant number, since it is smaller than the sum of its proper divisors (177666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144894 is a wasteful number, since it uses less digits than its factorization.
144894 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96.
The product of its digits is 4608, while the sum is 30.
The square root of 144894 is about 380.6494450278. The cubic root of 144894 is about 52.5230737578.
The spelling of 144894 in words is "one hundred forty-four thousand, eight hundred ninety-four".
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