254385145 has 16 divisors (see below), whose sum is σ = 349130880. Its totient is φ = 174305664.

The previous prime is 254385143. The next prime is 254385149. The reversal of 254385145 is 541583452.

It is a cyclic number.

It is not a de Polignac number, because 254385145 - 2¹ = 254385143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (254385143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85086 + ... + 88024.

It is an arithmetic number, because the mean of its divisors is an integer number (21820680).

Almost surely, 2^254385145 is an apocalyptic number.

It is an amenable number.

254385145 is a deficient number, since it is larger than the sum of its proper divisors (94745735).

254385145 is a wasteful number, since it uses less digits than its factorization.

254385145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5424.

The product of its digits is 96000, while the sum is 37.

The square root of 254385145 is about 15949.4559468340. The cubic root of 254385145 is about 633.6224876929.

The spelling of 254385145 in words is "two hundred fifty-four million, three hundred eighty-five thousand, one hundred forty-five".