Search a number
-
+
145321159 is a prime number
BaseRepresentation
bin10001010100101…
…10110011000111
3101010110002011011
420222112303013
5244200234114
622230423051
73413131564
oct1052266307
9333402134
10145321159
1175036a35
1240801a87
1324151369
141542b86b
15cb581c4
hex8a96cc7

145321159 has 2 divisors, whose sum is σ = 145321160. Its totient is φ = 145321158.

The previous prime is 145321129. The next prime is 145321181. The reversal of 145321159 is 951123541.

145321159 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 is an emirp because it is prime and its reverse (951123541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145321159 - 27 = 145321031 is a prime.

It is a super-2 number, since 2×1453211592 = 42236478506206562, which contains 22 as substring.

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 145321159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145321109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72660579 + 72660580.

It is an arithmetic number, because the mean of its divisors is an integer number (72660580).

Almost surely, 2145321159 is an apocalyptic number.

145321159 is a deficient number, since it is larger than the sum of its proper divisors (1).

145321159 is an equidigital number, since it uses as much as digits as its factorization.

145321159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 31.

The square root of 145321159 is about 12054.9226044799. The cubic root of 145321159 is about 525.7463718187.

The spelling of 145321159 in words is "one hundred forty-five million, three hundred twenty-one thousand, one hundred fifty-nine".