254500045 has 4 divisors (see below), whose sum is σ = 305400060. Its totient is φ = 203600032.

The previous prime is 254500019. The next prime is 254500063. The reversal of 254500045 is 540005452.

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

It can be written as a sum of positive squares in 2 ways, for example, as 127667401 + 126832644 = 11299^2 + 11262^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254500045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254499992 and 254500019.

It is a congruent number.

It is an unprimeable number.

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, 25450000 + ... + 25450009.

It is an arithmetic number, because the mean of its divisors is an integer number (76350015).

Almost surely, 2^254500045 is an apocalyptic number.

It is an amenable number.

254500045 is a deficient number, since it is larger than the sum of its proper divisors (50900015).

254500045 is an equidigital number, since it uses as much as digits as its factorization.

254500045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50900014.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 254500045 is about 15953.0575439318. The cubic root of 254500045 is about 633.7178709688.

Adding to 254500045 its reverse (540005452), we get a palindrome (794505497).

The spelling of 254500045 in words is "two hundred fifty-four million, five hundred thousand, forty-five".