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153245117 is a prime number
BaseRepresentation
bin10010010001001…
…01010110111101
3101200100122210002
421020211112331
5303212320432
623112324045
73540363524
oct1110452675
9350318702
10153245117
1179559363
12433a3625
1325996cac
14164d14bb
15d6c0e62
hex92255bd

153245117 has 2 divisors, whose sum is σ = 153245118. Its totient is φ = 153245116.

The previous prime is 153245087. The next prime is 153245119. The reversal of 153245117 is 711542351.

153245117 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., 153239641 + 5476 = 12379^2 + 74^2 .

It is a cyclic number.

It is not a de Polignac number, because 153245117 - 210 = 153244093 is a prime.

Together with 153245119, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 153245117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153245119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76622558 + 76622559.

It is an arithmetic number, because the mean of its divisors is an integer number (76622559).

Almost surely, 2153245117 is an apocalyptic number.

It is an amenable number.

153245117 is a deficient number, since it is larger than the sum of its proper divisors (1).

153245117 is an equidigital number, since it uses as much as digits as its factorization.

153245117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4200, while the sum is 29.

The square root of 153245117 is about 12379.2211790565. The cubic root of 153245117 is about 535.1335934467.

Adding to 153245117 its reverse (711542351), we get a palindrome (864787468).

The spelling of 153245117 in words is "one hundred fifty-three million, two hundred forty-five thousand, one hundred seventeen".