157264 has 10 divisors (see below), whose sum is σ = 304730. Its totient is φ = 78624.
The previous prime is 157259. The next prime is 157271. The reversal of 157264 is 462751.
It can be written as a sum of positive squares in only one way, i.e., 153664 + 3600 = 392^2 + 60^2 .
It is an Ulam number.
It is a congruent number.
It is an unprimeable number.
157264 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
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, 4899 + ... + 4930.
It is an arithmetic number, because the mean of its divisors is an integer number (30473).
2157264 is an apocalyptic number.
It is an amenable number.
157264 is a deficient number, since it is larger than the sum of its proper divisors (147466).
157264 is an equidigital number, since it uses as much as digits as its factorization.
157264 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9837 (or 9831 counting only the distinct ones).
The product of its digits is 1680, while the sum is 25.
The square root of 157264 is about 396.5652531425. The cubic root of 157264 is about 53.9771279452.
The spelling of 157264 in words is "one hundred fifty-seven thousand, two hundred sixty-four".
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