145747543 has 2 divisors, whose sum is σ = 145747544. Its totient is φ = 145747542.

The previous prime is 145747531. The next prime is 145747549. The reversal of 145747543 is 345747541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145747543 - 2⁹ = 145747031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145747496 and 145747505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145747549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72873771 + 72873772.

It is an arithmetic number, because the mean of its divisors is an integer number (72873772).

Almost surely, 2^145747543 is an apocalyptic number.

145747543 is a deficient number, since it is larger than the sum of its proper divisors (1).

145747543 is an equidigital number, since it uses as much as digits as its factorization.

145747543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235200, while the sum is 40.

The square root of 145747543 is about 12072.5947086780. The cubic root of 145747543 is about 526.2600638258.

The spelling of 145747543 in words is "one hundred forty-five million, seven hundred forty-seven thousand, five hundred forty-three".