254374168145 has 8 divisors (see below), whose sum is σ = 305716462056. Its totient is φ = 203187694336.

The previous prime is 254374168127. The next prime is 254374168159. The reversal of 254374168145 is 541861473452.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23093969089 + 231280199056 = 151967^2 + 480916^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 254374168145 - 2¹⁴ = 254374151761 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 254374168093 and 254374168102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38951432 + ... + 38957961.

It is an arithmetic number, because the mean of its divisors is an integer number (38214557757).

Almost surely, 2^254374168145 is an apocalyptic number.

It is an amenable number.

254374168145 is a deficient number, since it is larger than the sum of its proper divisors (51342293911).

254374168145 is an equidigital number, since it uses as much as digits as its factorization.

254374168145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77910051.

The product of its digits is 3225600, while the sum is 50.

The spelling of 254374168145 in words is "two hundred fifty-four billion, three hundred seventy-four million, one hundred sixty-eight thousand, one hundred forty-five".