145508543 has 2 divisors, whose sum is σ = 145508544. Its totient is φ = 145508542.

The previous prime is 145508509. The next prime is 145508611. The reversal of 145508543 is 345805541.

145508543 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 145508543 - 2¹⁸ = 145246399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145508443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72754271 + 72754272.

It is an arithmetic number, because the mean of its divisors is an integer number (72754272).

Almost surely, 2^145508543 is an apocalyptic number.

145508543 is a deficient number, since it is larger than the sum of its proper divisors (1).

145508543 is an equidigital number, since it uses as much as digits as its factorization.

145508543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 145508543 is about 12062.6921953600. The cubic root of 145508543 is about 525.9722488696.

The spelling of 145508543 in words is "one hundred forty-five million, five hundred eight thousand, five hundred forty-three".