145253 has 2 divisors, whose sum is σ = 145254. Its totient is φ = 145252.
The previous prime is 145219. The next prime is 145259. The reversal of 145253 is 352541.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 113569 + 31684 = 337^2 + 178^2 .
It is a cyclic number.
It is not a de Polignac number, because 145253 - 212 = 141157 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (145259) by changing a digit.
It is a good prime.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72626 + 72627.
It is an arithmetic number, because the mean of its divisors is an integer number (72627).
2145253 is an apocalyptic number.
It is an amenable number.
145253 is a deficient number, since it is larger than the sum of its proper divisors (1).
145253 is an equidigital number, since it uses as much as digits as its factorization.
145253 is an evil number, because the sum of its binary digits is even.
The product of its digits is 600, while the sum is 20.
The square root of 145253 is about 381.1207157844. The cubic root of 145253 is about 52.5664163210.
Adding to 145253 its reverse (352541), we get a palindrome (497794).
It can be divided in two parts, 1 and 45253, that added together give a palindrome (45254).
The spelling of 145253 in words is "one hundred forty-five thousand, two hundred fifty-three".
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