148986 has 32 divisors (see below), whose sum is σ = 345600. Its totient is φ = 47520.
The previous prime is 148961. The next prime is 148991. The reversal of 148986 is 689841.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 148986.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1630 + ... + 1718.
It is an arithmetic number, because the mean of its divisors is an integer number (10800).
2148986 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 148986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172800).
148986 is an abundant number, since it is smaller than the sum of its proper divisors (196614).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
148986 is a wasteful number, since it uses less digits than its factorization.
148986 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131 (or 125 counting only the distinct ones).
The product of its digits is 13824, while the sum is 36.
The square root of 148986 is about 385.9870464148. The cubic root of 148986 is about 53.0129314595.
The spelling of 148986 in words is "one hundred forty-eight thousand, nine hundred eighty-six".
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