149860 has 24 divisors (see below), whose sum is σ = 322560. Its totient is φ = 58464.
The previous prime is 149839. The next prime is 149861. The reversal of 149860 is 68941.
It is not an unprimeable number, because it can be changed into a prime (149861) 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 7 ways as a sum of consecutive naturals, for example, 1117 + ... + 1243.
It is an arithmetic number, because the mean of its divisors is an integer number (13440).
2149860 is an apocalyptic number.
149860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
149860 is an abundant number, since it is smaller than the sum of its proper divisors (172700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149860 is a wasteful number, since it uses less digits than its factorization.
149860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 195 (or 193 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 28.
The square root of 149860 is about 387.1175532057. The cubic root of 149860 is about 53.1163930693.
The spelling of 149860 in words is "one hundred forty-nine thousand, eight hundred sixty".
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