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145431441434413 is a prime number
BaseRepresentation
bin100001000100010011100101…
…011001111110011100101101
3201001221002222012112101200001
4201010103211121332130231
5123030222043001400123
61233150140514504301
742430034456524621
oct4104234531763455
9631832865471601
10145431441434413
1142380145333142
1214389707595091
13631c184003254
1427cacc289b181
1511c3013a5c0ad
hex8444e567e72d

145431441434413 has 2 divisors, whose sum is σ = 145431441434414. Its totient is φ = 145431441434412.

The previous prime is 145431441434401. The next prime is 145431441434497. The reversal of 145431441434413 is 314434144134541.

145431441434413 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 can be written as a sum of positive squares in only one way, i.e., 141625184807044 + 3806256627369 = 11900638^2 + 1950963^2 .

It is a cyclic number.

It is not a de Polignac number, because 145431441434413 - 25 = 145431441434381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145431441734413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72715720717206 + 72715720717207.

It is an arithmetic number, because the mean of its divisors is an integer number (72715720717207).

Almost surely, 2145431441434413 is an apocalyptic number.

It is an amenable number.

145431441434413 is a deficient number, since it is larger than the sum of its proper divisors (1).

145431441434413 is an equidigital number, since it uses as much as digits as its factorization.

145431441434413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2211840, while the sum is 46.

Adding to 145431441434413 its reverse (314434144134541), we get a palindrome (459865585568954).

The spelling of 145431441434413 in words is "one hundred forty-five trillion, four hundred thirty-one billion, four hundred forty-one million, four hundred thirty-four thousand, four hundred thirteen".