254670345 has 16 divisors (see below), whose sum is σ = 452747520. Its totient is φ = 135824112.

The previous prime is 254670341. The next prime is 254670391. The reversal of 254670345 is 543076452.

254670345 is a `hidden beast` number, since 2 + 546 + 70 + 3 + 45 = 666.

It is not a de Polignac number, because 254670345 - 2² = 254670341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (254670341) 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, 943089 + ... + 943358.

It is an arithmetic number, because the mean of its divisors is an integer number (28296720).

Almost surely, 2^254670345 is an apocalyptic number.

It is an amenable number.

254670345 is a deficient number, since it is larger than the sum of its proper divisors (198077175).

254670345 is a wasteful number, since it uses less digits than its factorization.

254670345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886461 (or 1886455 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 254670345 is about 15958.3941861329. The cubic root of 254670345 is about 633.8591912976.

The spelling of 254670345 in words is "two hundred fifty-four million, six hundred seventy thousand, three hundred forty-five".