149144 has 16 divisors (see below), whose sum is σ = 283920. Its totient is φ = 73440.
The previous prime is 149143. The next prime is 149153. The reversal of 149144 is 441941.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149143) 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 in 3 ways as a sum of consecutive naturals, for example, 734 + ... + 914.
It is an arithmetic number, because the mean of its divisors is an integer number (17745).
2149144 is an apocalyptic number.
It is an amenable number.
149144 is a deficient number, since it is larger than the sum of its proper divisors (134776).
149144 is a wasteful number, since it uses less digits than its factorization.
149144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 290 (or 286 counting only the distinct ones).
The product of its digits is 576, while the sum is 23.
The square root of 149144 is about 386.1916622611. The cubic root of 149144 is about 53.0316649512.
The spelling of 149144 in words is "one hundred forty-nine thousand, one hundred forty-four".
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