254111149 has 12 divisors (see below), whose sum is σ = 269740380. Its totient is φ = 239345280.

The previous prime is 254111147. The next prime is 254111173. The reversal of 254111149 is 941111452.

It can be written as a sum of positive squares in 2 ways, for example, as 72131049 + 181980100 = 8493^2 + 13490^2 .

It is not a de Polignac number, because 254111149 - 2¹ = 254111147 is a prime.

It is a super-2 number, since 2×254111149² = 129144952092200402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254111141) by changing a digit.

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, 63397 + ... + 67285.

It is an arithmetic number, because the mean of its divisors is an integer number (22478365).

Almost surely, 2^254111149 is an apocalyptic number.

It is an amenable number.

254111149 is a deficient number, since it is larger than the sum of its proper divisors (15629231).

254111149 is a wasteful number, since it uses less digits than its factorization.

254111149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4108 (or 4089 counting only the distinct ones).

The product of its digits is 1440, while the sum is 28.

The square root of 254111149 is about 15940.8641233780. The cubic root of 254111149 is about 633.3949162339.

The spelling of 254111149 in words is "two hundred fifty-four million, one hundred eleven thousand, one hundred forty-nine".