254345251534144 has 14 divisors (see below), whose sum is σ = 504716358513194. Its totient is φ = 127172625767040.

The previous prime is 254345251534139. The next prime is 254345251534181. The reversal of 254345251534144 is 441435152543452.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 251219710407744 + 3125541126400 = 15849912^2 + 1767920^2 .

It is a junction number, because it is equal to n+sod(n) for n = 254345251534091 and 254345251534100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1987072277547 + ... + 1987072277674.

Almost surely, 2^{254345251534144} is an apocalyptic number.

It is an amenable number.

254345251534144 is a deficient number, since it is larger than the sum of its proper divisors (250371106979050).

254345251534144 is an equidigital number, since it uses as much as digits as its factorization.

254345251534144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3974144555233 (or 3974144555223 counting only the distinct ones).

The product of its digits is 23040000, while the sum is 52.

The spelling of 254345251534144 in words is "two hundred fifty-four trillion, three hundred forty-five billion, two hundred fifty-one million, five hundred thirty-four thousand, one hundred forty-four".