254685145 has 32 divisors (see below), whose sum is σ = 362517120. Its totient is φ = 169328640.

The previous prime is 254685133. The next prime is 254685203. The reversal of 254685145 is 541586452.

It is not a de Polignac number, because 254685145 - 2¹¹ = 254683097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254685098 and 254685107.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74841 + ... + 78169.

It is an arithmetic number, because the mean of its divisors is an integer number (11328660).

Almost surely, 2^254685145 is an apocalyptic number.

It is an amenable number.

254685145 is a deficient number, since it is larger than the sum of its proper divisors (107831975).

254685145 is a wasteful number, since it uses less digits than its factorization.

254685145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465.

The product of its digits is 192000, while the sum is 40.

The square root of 254685145 is about 15958.8578851997. The cubic root of 254685145 is about 633.8714698301.

The spelling of 254685145 in words is "two hundred fifty-four million, six hundred eighty-five thousand, one hundred forty-five".