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145513301 is a prime number
BaseRepresentation
bin10001010110001…
…01101101010101
3101010210211201112
420223011231111
5244222411201
622234504405
73414562013
oct1053055525
9333724645
10145513301
117515832a
1240895105
13241ba95b
141547b8b3
15cb950bb
hex8ac5b55

145513301 has 2 divisors, whose sum is σ = 145513302. Its totient is φ = 145513300.

The previous prime is 145513231. The next prime is 145513331. The reversal of 145513301 is 103315541.

145513301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111302500 + 34210801 = 10550^2 + 5849^2 .

It is a cyclic number.

It is not a de Polignac number, because 145513301 - 214 = 145496917 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145513331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72756650 + 72756651.

It is an arithmetic number, because the mean of its divisors is an integer number (72756651).

Almost surely, 2145513301 is an apocalyptic number.

It is an amenable number.

145513301 is a deficient number, since it is larger than the sum of its proper divisors (1).

145513301 is an equidigital number, since it uses as much as digits as its factorization.

145513301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 145513301 is about 12062.8894134034. The cubic root of 145513301 is about 525.9779817488.

Adding to 145513301 its reverse (103315541), we get a palindrome (248828842).

The spelling of 145513301 in words is "one hundred forty-five million, five hundred thirteen thousand, three hundred one".