148697 has 4 divisors (see below), whose sum is σ = 149556. Its totient is φ = 147840.
The previous prime is 148693. The next prime is 148711. The reversal of 148697 is 796841.
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 can be written as a sum of positive squares in 2 ways, for example, as 48841 + 99856 = 221^2 + 316^2 .
It is a cyclic number.
It is not a de Polignac number, because 148697 - 22 = 148693 is a prime.
It is a super-2 number, since 2×1486972 = 44221595618, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (148691) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68 + ... + 549.
It is an arithmetic number, because the mean of its divisors is an integer number (37389).
2148697 is an apocalyptic number.
It is an amenable number.
148697 is a deficient number, since it is larger than the sum of its proper divisors (859).
148697 is an equidigital number, since it uses as much as digits as its factorization.
148697 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 858.
The product of its digits is 12096, while the sum is 35.
The square root of 148697 is about 385.6124997974. The cubic root of 148697 is about 52.9786314712.
The spelling of 148697 in words is "one hundred forty-eight thousand, six hundred ninety-seven".
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