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145644484446541 is a prime number
BaseRepresentation
bin100001000111011001111111…
…110000100100100101001101
3201002200110212112112202011201
4201013121333300210211031
5123042214401004242131
61233432052533545501
742451316045331223
oct4107317760444515
9632613775482151
10145644484446541
114245252a587403
1214402a631a5291
1363362a65a3982
1427d7332d02b13
1511c88320cc761
hex84767fc2494d

145644484446541 has 2 divisors, whose sum is σ = 145644484446542. Its totient is φ = 145644484446540.

The previous prime is 145644484446479. The next prime is 145644484446557.

145644484446541 is nontrivially palindromic in base 10.

145644484446541 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 can be written as a sum of positive squares in only one way, i.e., 108959234229316 + 36685250217225 = 10438354^2 + 6056835^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 145644484446541 - 235 = 145610124708173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145644484446841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72822242223270 + 72822242223271.

It is an arithmetic number, because the mean of its divisors is an integer number (72822242223271).

Almost surely, 2145644484446541 is an apocalyptic number.

It is an amenable number.

145644484446541 is a deficient number, since it is larger than the sum of its proper divisors (1).

145644484446541 is an equidigital number, since it uses as much as digits as its factorization.

145644484446541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 471859200, while the sum is 64.

The spelling of 145644484446541 in words is "one hundred forty-five trillion, six hundred forty-four billion, four hundred eighty-four million, four hundred forty-six thousand, five hundred forty-one".