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145372520207 is a prime number
BaseRepresentation
bin1000011101100011100…
…0001001111100001111
3111220020021001011222002
42013120320021330033
54340210331121312
6150441101342515
713334316014345
oct2073070117417
9456207034862
10145372520207
1156719aa8092
1224210b67a3b
1310929960335
147070d7d995
153bac70e4c2
hex21d8e09f0f

145372520207 has 2 divisors, whose sum is σ = 145372520208. Its totient is φ = 145372520206.

The previous prime is 145372520197. The next prime is 145372520219. The reversal of 145372520207 is 702025273541.

145372520207 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 an emirp because it is prime and its reverse (702025273541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145372520207 - 212 = 145372516111 is a prime.

It is a super-2 number, since 2×1453725202072 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145372510207) 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, 72686260103 + 72686260104.

It is an arithmetic number, because the mean of its divisors is an integer number (72686260104).

Almost surely, 2145372520207 is an apocalyptic number.

145372520207 is a deficient number, since it is larger than the sum of its proper divisors (1).

145372520207 is an equidigital number, since it uses as much as digits as its factorization.

145372520207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117600, while the sum is 38.

Adding to 145372520207 its reverse (702025273541), we get a palindrome (847397793748).

The spelling of 145372520207 in words is "one hundred forty-five billion, three hundred seventy-two million, five hundred twenty thousand, two hundred seven".