254505345 has 16 divisors (see below), whose sum is σ = 407706432. Its totient is φ = 135570240.

The previous prime is 254505331. The next prime is 254505371. The reversal of 254505345 is 543505452.

254505345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 254505345 - 2¹⁰ = 254504321 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2850 + ... + 22740.

It is an arithmetic number, because the mean of its divisors is an integer number (25481652).

Almost surely, 2^254505345 is an apocalyptic number.

It is an amenable number.

254505345 is a deficient number, since it is larger than the sum of its proper divisors (153201087).

254505345 is a wasteful number, since it uses less digits than its factorization.

254505345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20752.

The product of its (nonzero) digits is 60000, while the sum is 33.

The square root of 254505345 is about 15953.2236554246. The cubic root of 254505345 is about 633.7222700268.

The spelling of 254505345 in words is "two hundred fifty-four million, five hundred five thousand, three hundred forty-five".