149683 has 6 divisors (see below), whose sum is σ = 155804. Its totient is φ = 143724.
The previous prime is 149629. The next prime is 149689. The reversal of 149683 is 386941.
It is a de Polignac number, because none of the positive numbers 2k-149683 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (149689) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2508 + ... + 2566.
2149683 is an apocalyptic number.
149683 is a deficient number, since it is larger than the sum of its proper divisors (6121).
149683 is an frugal number, since it uses more digits than its factorization.
149683 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161 (or 102 counting only the distinct ones).
The product of its digits is 5184, while the sum is 31.
The square root of 149683 is about 386.8888729338. Note that the first 4 decimals coincide. The cubic root of 149683 is about 53.0954728651.
The spelling of 149683 in words is "one hundred forty-nine thousand, six hundred eighty-three".
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