254736540345 has 48 divisors (see below), whose sum is σ = 476528868288. Its totient is φ = 115859802240.

The previous prime is 254736540337. The next prime is 254736540347. The reversal of 254736540345 is 543045637452.

It is a happy number.

It is not a de Polignac number, because 254736540345 - 2³ = 254736540337 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 254736540294 and 254736540303.

It is not an unprimeable number, because it can be changed into a prime (254736540347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 734851 + ... + 1024440.

It is an arithmetic number, because the mean of its divisors is an integer number (9927684756).

Almost surely, 2^254736540345 is an apocalyptic number.

It is an amenable number.

254736540345 is a deficient number, since it is larger than the sum of its proper divisors (221792327943).

254736540345 is a wasteful number, since it uses less digits than its factorization.

254736540345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759510 (or 1759503 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 48.

The spelling of 254736540345 in words is "two hundred fifty-four billion, seven hundred thirty-six million, five hundred forty thousand, three hundred forty-five".