254256045 has 16 divisors (see below), whose sum is σ = 417805440. Its totient is φ = 131937984.

The previous prime is 254256031. The next prime is 254256059. The reversal of 254256045 is 540652452.

It is an interprime number because it is at equal distance from previous prime (254256031) and next prime (254256059).

It is not a de Polignac number, because 254256045 - 2⁷ = 254255917 is a prime.

It is a super-2 number, since 2×254256045² = 129292272838084050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 254255997 and 254256015.

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 15 ways as a sum of consecutive naturals, for example, 228505 + ... + 229614.

It is an arithmetic number, because the mean of its divisors is an integer number (26112840).

Almost surely, 2^254256045 is an apocalyptic number.

It is an amenable number.

254256045 is a deficient number, since it is larger than the sum of its proper divisors (163549395).

254256045 is a wasteful number, since it uses less digits than its factorization.

254256045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458164.

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 254256045 is about 15945.4082732303. The cubic root of 254256045 is about 633.5152821340.

The spelling of 254256045 in words is "two hundred fifty-four million, two hundred fifty-six thousand, forty-five".