Search a number
-
+
145118537 is a prime number
BaseRepresentation
bin10001010011001…
…01010101001001
3101010001210012122
420221211111021
5244122243122
622222221025
73411326054
oct1051452511
9333053178
10145118537
1174a08783
1240724775
13240b0075
14153b7a9b
15cb18142
hex8a65549

145118537 has 2 divisors, whose sum is σ = 145118538. Its totient is φ = 145118536.

The previous prime is 145118527. The next prime is 145118539. The reversal of 145118537 is 735811541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132043081 + 13075456 = 11491^2 + 3616^2 .

It is a cyclic number.

It is not a de Polignac number, because 145118537 - 24 = 145118521 is a prime.

Together with 145118539, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 145118497 and 145118506.

It is not a weakly prime, because it can be changed into another prime (145118539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72559268 + 72559269.

It is an arithmetic number, because the mean of its divisors is an integer number (72559269).

Almost surely, 2145118537 is an apocalyptic number.

It is an amenable number.

145118537 is a deficient number, since it is larger than the sum of its proper divisors (1).

145118537 is an equidigital number, since it uses as much as digits as its factorization.

145118537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 35.

The square root of 145118537 is about 12046.5155543003. The cubic root of 145118537 is about 525.5019079218.

The spelling of 145118537 in words is "one hundred forty-five million, one hundred eighteen thousand, five hundred thirty-seven".