254543121345452 has 6 divisors (see below), whose sum is σ = 445450462354548. Its totient is φ = 127271560672724.

The previous prime is 254543121345427. The next prime is 254543121345463.

254543121345452 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 254543121345452.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31817890168178 + ... + 31817890168185.

It is an arithmetic number, because the mean of its divisors is an integer number (74241743725758).

Almost surely, 2^{254543121345452} is an apocalyptic number.

It is an amenable number.

254543121345452 is a deficient number, since it is larger than the sum of its proper divisors (190907341009096).

254543121345452 is a wasteful number, since it uses less digits than its factorization.

254543121345452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63635780336367 (or 63635780336365 counting only the distinct ones).

The product of its digits is 11520000, while the sum is 50.

The spelling of 254543121345452 in words is "two hundred fifty-four trillion, five hundred forty-three billion, one hundred twenty-one million, three hundred forty-five thousand, four hundred fifty-two".