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145147096481 is a prime number
BaseRepresentation
bin1000011100101101110…
…0001110110110100001
3111212122112212110202012
42013023130032312201
54334230124041411
6150402450002305
713325610651332
oct2071334166641
9455575773665
10145147096481
115661382a992
1224169576395
13108c204400a
14704d060289
153b97a3218b
hex21cb70eda1

145147096481 has 2 divisors, whose sum is σ = 145147096482. Its totient is φ = 145147096480.

The previous prime is 145147096477. The next prime is 145147096531. The reversal of 145147096481 is 184690741541.

145147096481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (145147096531) can be obtained adding 145147096481 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143955742225 + 1191354256 = 379415^2 + 34516^2 .

It is a cyclic number.

It is not a de Polignac number, because 145147096481 - 22 = 145147096477 is a prime.

It is a super-2 number, since 2×1451470964812 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145147096781) 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, 72573548240 + 72573548241.

It is an arithmetic number, because the mean of its divisors is an integer number (72573548241).

Almost surely, 2145147096481 is an apocalyptic number.

It is an amenable number.

145147096481 is a deficient number, since it is larger than the sum of its proper divisors (1).

145147096481 is an equidigital number, since it uses as much as digits as its factorization.

145147096481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 145147096481 in words is "one hundred forty-five billion, one hundred forty-seven million, ninety-six thousand, four hundred eighty-one".