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145313754073 is a prime number
BaseRepresentation
bin1000011101010101011…
…1111110101111011001
3111220002011110112222121
42013111113332233121
54340100310112243
6150431202021241
713333003346455
oct2072527765731
9456064415877
10145313754073
115669990a234
12241b5347821
131091a725b87
147067243665
153ba74a21ed
hex21d55febd9

145313754073 has 2 divisors, whose sum is σ = 145313754074. Its totient is φ = 145313754072.

The previous prime is 145313754071. The next prime is 145313754097. The reversal of 145313754073 is 370457313541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97242314569 + 48071439504 = 311837^2 + 219252^2 .

It is a cyclic number.

It is not a de Polignac number, because 145313754073 - 21 = 145313754071 is a prime.

It is a super-2 number, since 2×1453137540732 (a number of 23 digits) contains 22 as substring.

Together with 145313754071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (145313754071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72656877036 + 72656877037.

It is an arithmetic number, because the mean of its divisors is an integer number (72656877037).

Almost surely, 2145313754073 is an apocalyptic number.

It is an amenable number.

145313754073 is a deficient number, since it is larger than the sum of its proper divisors (1).

145313754073 is an equidigital number, since it uses as much as digits as its factorization.

145313754073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 529200, while the sum is 43.

The spelling of 145313754073 in words is "one hundred forty-five billion, three hundred thirteen million, seven hundred fifty-four thousand, seventy-three".