254342845 has 4 divisors (see below), whose sum is σ = 305211420. Its totient is φ = 203474272.

The previous prime is 254342839. The next prime is 254342857. The reversal of 254342845 is 548243452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 168428484 + 85914361 = 12978^2 + 9269^2 .

It is a cyclic number.

It is not a de Polignac number, because 254342845 - 2²⁵ = 220788413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25434280 + ... + 25434289.

It is an arithmetic number, because the mean of its divisors is an integer number (76302855).

Almost surely, 2^254342845 is an apocalyptic number.

It is an amenable number.

254342845 is a deficient number, since it is larger than the sum of its proper divisors (50868575).

254342845 is an equidigital number, since it uses as much as digits as its factorization.

254342845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50868574.

The product of its digits is 153600, while the sum is 37.

The square root of 254342845 is about 15948.1298276632. The cubic root of 254342845 is about 633.5873654678.

The spelling of 254342845 in words is "two hundred fifty-four million, three hundred forty-two thousand, eight hundred forty-five".