148039 has 4 divisors (see below), whose sum is σ = 148824. Its totient is φ = 147256.
The previous prime is 148021. The next prime is 148061. The reversal of 148039 is 930841.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 148039 - 211 = 145991 is a prime.
It is a Duffinian number.
148039 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148079) 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, 84 + ... + 550.
It is an arithmetic number, because the mean of its divisors is an integer number (37206).
2148039 is an apocalyptic number.
148039 is a deficient number, since it is larger than the sum of its proper divisors (785).
148039 is an equidigital number, since it uses as much as digits as its factorization.
148039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 784.
The product of its (nonzero) digits is 864, while the sum is 25.
The square root of 148039 is about 384.7583657310. The cubic root of 148039 is about 52.9003705650.
The spelling of 148039 in words is "one hundred forty-eight thousand, thirty-nine".
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