149579 has 2 divisors, whose sum is σ = 149580.
Its totient is φ = 149578.
The previous prime is 149563. The next prime is 149603. The reversal of 149579 is 975941.
It is a weak prime.
It is an emirp because it is prime and its reverse (975941) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 149579 - 24 = 149563 is a prime.
It is a Chen prime.
It is a nialpdrome in base 13.
It is not a weakly prime, because it can be changed into another prime (149519) 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 as a sum of consecutive naturals, namely, 74789 + 74790.
It is an arithmetic number, because the mean of its divisors is an integer number (74790).
2149579 is an apocalyptic number.
149579 is a deficient number, since it is larger than the sum of its proper divisors (1).
149579 is an equidigital number, since it uses as much as digits as its factorization.
149579 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 11340, while the sum is 35.
The square root of 149579 is about 386.7544440598.
The cubic root of 149579 is about 53.0831730747.
The spelling of 149579 in words is "one hundred forty-nine thousand, five hundred seventy-nine".