445472543 has 2 divisors, whose sum is σ = 445472544. Its totient is φ = 445472542.

The previous prime is 445472497. The next prime is 445472551. The reversal of 445472543 is 345274544.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445472543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445472497 and 445472506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445472593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222736271 + 222736272.

It is an arithmetic number, because the mean of its divisors is an integer number (222736272).

Almost surely, 2^445472543 is an apocalyptic number.

445472543 is a deficient number, since it is larger than the sum of its proper divisors (1).

445472543 is an equidigital number, since it uses as much as digits as its factorization.

445472543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 268800, while the sum is 38.

The square root of 445472543 is about 21106.2204811757. The cubic root of 445472543 is about 763.7308147504.

The spelling of 445472543 in words is "four hundred forty-five million, four hundred seventy-two thousand, five hundred forty-three".