254248645 has 16 divisors (see below), whose sum is σ = 358109568. Its totient is φ = 169629120.

The previous prime is 254248609. The next prime is 254248661. The reversal of 254248645 is 546842452.

It is not a de Polignac number, because 254248645 - 2⁷ = 254248517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254248598 and 254248607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96871 + ... + 99460.

It is an arithmetic number, because the mean of its divisors is an integer number (22381848).

Almost surely, 2^254248645 is an apocalyptic number.

It is an amenable number.

254248645 is a deficient number, since it is larger than the sum of its proper divisors (103860923).

254248645 is a wasteful number, since it uses less digits than its factorization.

254248645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196380.

The product of its digits is 307200, while the sum is 40.

The square root of 254248645 is about 15945.1762298195. The cubic root of 254248645 is about 633.5091360217.

The spelling of 254248645 in words is "two hundred fifty-four million, two hundred forty-eight thousand, six hundred forty-five".