148573 has 2 divisors, whose sum is σ = 148574. Its totient is φ = 148572.
The previous prime is 148549. The next prime is 148579. The reversal of 148573 is 375841.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 77284 + 71289 = 278^2 + 267^2 .
It is an emirp because it is prime and its reverse (375841) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 148573 - 29 = 148061 is a prime.
It is a plaindrome in base 16.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (148579) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74286 + 74287.
It is an arithmetic number, because the mean of its divisors is an integer number (74287).
2148573 is an apocalyptic number.
It is an amenable number.
148573 is a deficient number, since it is larger than the sum of its proper divisors (1).
148573 is an equidigital number, since it uses as much as digits as its factorization.
148573 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3360, while the sum is 28.
The square root of 148573 is about 385.4516830940. The cubic root of 148573 is about 52.9639008956.
The spelling of 148573 in words is "one hundred forty-eight thousand, five hundred seventy-three".
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