254554323545 has 32 divisors (see below), whose sum is σ = 314288812800. Its totient is φ = 197846288640.

The previous prime is 254554323523. The next prime is 254554323557. The reversal of 254554323545 is 545323455452.

It is a de Polignac number, because none of the positive numbers 2^k-254554323545 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 254554323545.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11115647 + ... + 11138523.

It is an arithmetic number, because the mean of its divisors is an integer number (9821525400).

Almost surely, 2^254554323545 is an apocalyptic number.

It is an amenable number.

254554323545 is a deficient number, since it is larger than the sum of its proper divisors (59734489255).

254554323545 is a wasteful number, since it uses less digits than its factorization.

254554323545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23345.

The product of its digits is 7200000, while the sum is 47.

Adding to 254554323545 its reverse (545323455452), we get a palindrome (799877778997).

The spelling of 254554323545 in words is "two hundred fifty-four billion, five hundred fifty-four million, three hundred twenty-three thousand, five hundred forty-five".