Search a number
-
+
145372523243 is a prime number
BaseRepresentation
bin1000011101100011100…
…0001010101011101011
3111220020021001100010112
42013120320022223223
54340210331220433
6150441101404535
713334316026243
oct2073070125353
9456207040115
10145372523243
1156719aaa3a2
1224210b6974b
131092996182c
147070d80b23
153bac710348
hex21d8e0aaeb

145372523243 has 2 divisors, whose sum is σ = 145372523244. Its totient is φ = 145372523242.

The previous prime is 145372523221. The next prime is 145372523287. The reversal of 145372523243 is 342325273541.

145372523243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145372523243 - 28 = 145372522987 is a prime.

It is a super-2 number, since 2×1453725232432 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145372523243.

It is not a weakly prime, because it can be changed into another prime (145372573243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72686261621 + 72686261622.

It is an arithmetic number, because the mean of its divisors is an integer number (72686261622).

Almost surely, 2145372523243 is an apocalyptic number.

145372523243 is a deficient number, since it is larger than the sum of its proper divisors (1).

145372523243 is an equidigital number, since it uses as much as digits as its factorization.

145372523243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 41.

Adding to 145372523243 its reverse (342325273541), we get a palindrome (487697796784).

The spelling of 145372523243 in words is "one hundred forty-five billion, three hundred seventy-two million, five hundred twenty-three thousand, two hundred forty-three".