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145503540487 is a prime number
BaseRepresentation
bin1000011110000010101…
…1111101010100000111
3111220120101120201000001
42013200223331110013
54340442401243422
6150502101502131
713340466454564
oct2074053752407
9456511521001
10145503540487
1156786a56608
1224248a11947
131094ab45326
14708452786b
153bb8e90227
hex21e0afd507

145503540487 has 2 divisors, whose sum is σ = 145503540488. Its totient is φ = 145503540486.

The previous prime is 145503540473. The next prime is 145503540527. The reversal of 145503540487 is 784045305541.

145503540487 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 is a cyclic number.

It is not a de Polignac number, because 145503540487 - 215 = 145503507719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145503540187) 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, 72751770243 + 72751770244.

It is an arithmetic number, because the mean of its divisors is an integer number (72751770244).

Almost surely, 2145503540487 is an apocalyptic number.

145503540487 is a deficient number, since it is larger than the sum of its proper divisors (1).

145503540487 is an equidigital number, since it uses as much as digits as its factorization.

145503540487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344000, while the sum is 46.

The spelling of 145503540487 in words is "one hundred forty-five billion, five hundred three million, five hundred forty thousand, four hundred eighty-seven".