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145215251035487 is a prime number
BaseRepresentation
bin100001000001001010001111…
…011101000011010101011111
3201001011102221112011020010222
4201001022033131003111133
5123013201313231113422
61232502544304151555
742405312202461443
oct4101121735032537
9631142845136128
10145215251035487
11422a7495501666
12143538319085bb
13630497c655989
1427c0654444823
1511bc5ae032842
hex84128f74355f

145215251035487 has 2 divisors, whose sum is σ = 145215251035488. Its totient is φ = 145215251035486.

The previous prime is 145215251035451. The next prime is 145215251035493. The reversal of 145215251035487 is 784530152512541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145215251035487 - 210 = 145215251034463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145215251035187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72607625517743 + 72607625517744.

It is an arithmetic number, because the mean of its divisors is an integer number (72607625517744).

Almost surely, 2145215251035487 is an apocalyptic number.

145215251035487 is a deficient number, since it is larger than the sum of its proper divisors (1).

145215251035487 is an equidigital number, since it uses as much as digits as its factorization.

145215251035487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720000, while the sum is 53.

The spelling of 145215251035487 in words is "one hundred forty-five trillion, two hundred fifteen billion, two hundred fifty-one million, thirty-five thousand, four hundred eighty-seven".