148399 has 2 divisors, whose sum is σ = 148400. Its totient is φ = 148398.
The previous prime is 148387. The next prime is 148403. The reversal of 148399 is 993841.
It is a strong prime.
It is an emirp because it is prime and its reverse (993841) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 148399 - 25 = 148367 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (148339) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74199 + 74200.
It is an arithmetic number, because the mean of its divisors is an integer number (74200).
2148399 is an apocalyptic number.
148399 is a deficient number, since it is larger than the sum of its proper divisors (1).
148399 is an equidigital number, since it uses as much as digits as its factorization.
148399 is an evil number, because the sum of its binary digits is even.
The product of its digits is 7776, while the sum is 34.
The square root of 148399 is about 385.2259077476. The cubic root of 148399 is about 52.9432167454.
It can be divided in two parts, 1 and 48399, that added together give a square (48400 = 2202).
The spelling of 148399 in words is "one hundred forty-eight thousand, three hundred ninety-nine".
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