145115543 has 2 divisors, whose sum is σ = 145115544. Its totient is φ = 145115542.

The previous prime is 145115527. The next prime is 145115549. The reversal of 145115543 is 345511541.

It is a strong prime.

It is an emirp because it is prime and its reverse (345511541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145115543 - 2⁴ = 145115527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145115549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72557771 + 72557772.

It is an arithmetic number, because the mean of its divisors is an integer number (72557772).

Almost surely, 2^145115543 is an apocalyptic number.

145115543 is a deficient number, since it is larger than the sum of its proper divisors (1).

145115543 is an equidigital number, since it uses as much as digits as its factorization.

145115543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6000, while the sum is 29.

The square root of 145115543 is about 12046.3912853601. The cubic root of 145115543 is about 525.4982939486.

The spelling of 145115543 in words is "one hundred forty-five million, one hundred fifteen thousand, five hundred forty-three".