254788148 has 24 divisors (see below), whose sum is σ = 449673000. Its totient is φ = 126315648.

The previous prime is 254788147. The next prime is 254788151. The reversal of 254788148 is 841887452.

It can be written as a sum of positive squares in 4 ways, for example, as 122722084 + 132066064 = 11078^2 + 11492^2 .

It is a super-2 number, since 2×254788148² = 129834000722539808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254788141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319286 + ... + 320082.

It is an arithmetic number, because the mean of its divisors is an integer number (18736375).

Almost surely, 2^254788148 is an apocalyptic number.

It is an amenable number.

254788148 is a deficient number, since it is larger than the sum of its proper divisors (194884852).

254788148 is a wasteful number, since it uses less digits than its factorization.

254788148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379 (or 1377 counting only the distinct ones).

The product of its digits is 573440, while the sum is 47.

The square root of 254788148 is about 15962.0847009405. The cubic root of 254788148 is about 633.9569110953.

The spelling of 254788148 in words is "two hundred fifty-four million, seven hundred eighty-eight thousand, one hundred forty-eight".