254289149 has 4 divisors (see below), whose sum is σ = 257772636. Its totient is φ = 250805664.

The previous prime is 254289137. The next prime is 254289163. The reversal of 254289149 is 941982452.

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 114340249 + 139948900 = 10693^2 + 11830^2 .

It is a cyclic number.

It is not a de Polignac number, because 254289149 - 2⁸ = 254288893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254289199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1741634 + ... + 1741779.

It is an arithmetic number, because the mean of its divisors is an integer number (64443159).

Almost surely, 2^254289149 is an apocalyptic number.

It is an amenable number.

254289149 is a deficient number, since it is larger than the sum of its proper divisors (3483487).

254289149 is an equidigital number, since it uses as much as digits as its factorization.

254289149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3483486.

The product of its digits is 207360, while the sum is 44.

The square root of 254289149 is about 15946.4462812252. The cubic root of 254289149 is about 633.5427753902.

The spelling of 254289149 in words is "two hundred fifty-four million, two hundred eighty-nine thousand, one hundred forty-nine".