254398146 has 16 divisors (see below), whose sum is σ = 509685024. Its totient is φ = 84651264.

The previous prime is 254398141. The next prime is 254398189. The reversal of 254398146 is 641893452.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 254398098 and 254398107.

It is not an unprimeable number, because it can be changed into a prime (254398141) 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, 33280 + ... + 40203.

It is an arithmetic number, because the mean of its divisors is an integer number (31855314).

Almost surely, 2^254398146 is an apocalyptic number.

254398146 is an abundant number, since it is smaller than the sum of its proper divisors (255286878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

254398146 is a wasteful number, since it uses less digits than its factorization.

254398146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74065.

The product of its digits is 207360, while the sum is 42.

The square root of 254398146 is about 15949.8635103878. The cubic root of 254398146 is about 633.6332818054.

The spelling of 254398146 in words is "two hundred fifty-four million, three hundred ninety-eight thousand, one hundred forty-six".