254312045 has 12 divisors (see below), whose sum is σ = 330456276. Its totient is φ = 187799040.

The previous prime is 254312011. The next prime is 254312077. The reversal of 254312045 is 540213452.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 95199049 + 159112996 = 9757^2 + 12614^2 .

It is not a de Polignac number, because 254312045 - 2²⁰ = 253263469 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 149636 + ... + 151325.

It is an arithmetic number, because the mean of its divisors is an integer number (27538023).

Almost surely, 2^254312045 is an apocalyptic number.

It is an amenable number.

254312045 is a deficient number, since it is larger than the sum of its proper divisors (76144231).

254312045 is a wasteful number, since it uses less digits than its factorization.

254312045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300992 (or 300979 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 254312045 is about 15947.1641679642. The cubic root of 254312045 is about 633.5617893881.

Adding to 254312045 its reverse (540213452), we get a palindrome (794525497).

The spelling of 254312045 in words is "two hundred fifty-four million, three hundred twelve thousand, forty-five".