254532145443 has 4 divisors (see below), whose sum is σ = 339376193928. Its totient is φ = 169688096960.

The previous prime is 254532145411. The next prime is 254532145453. The reversal of 254532145443 is 344541235452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 254532145443 - 2⁵ = 254532145411 is a prime.

It is a super-2 number, since 2×254532145443² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 254532145395 and 254532145404.

It is not an unprimeable number, because it can be changed into a prime (254532145453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42422024238 + ... + 42422024243.

It is an arithmetic number, because the mean of its divisors is an integer number (84844048482).

Almost surely, 2^254532145443 is an apocalyptic number.

254532145443 is a deficient number, since it is larger than the sum of its proper divisors (84844048485).

254532145443 is an equidigital number, since it uses as much as digits as its factorization.

254532145443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84844048484.

The product of its digits is 1152000, while the sum is 42.

Subtracting 254532145443 from its reverse (344541235452), we obtain a palindrome (90009090009).

The spelling of 254532145443 in words is "two hundred fifty-four billion, five hundred thirty-two million, one hundred forty-five thousand, four hundred forty-three".