254421042032345 has 16 divisors (see below), whose sum is σ = 307061635756800. Its totient is φ = 202367391336000.

The previous prime is 254421042032341. The next prime is 254421042032389. The reversal of 254421042032345 is 543230240124452.

It is not a de Polignac number, because 254421042032345 - 2² = 254421042032341 is a prime.

It is a super-2 number, since 2×254421042032345² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (254421042032341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91203581 + ... + 93951770.

It is an arithmetic number, because the mean of its divisors is an integer number (19191352234800).

Almost surely, 2^{254421042032345} is an apocalyptic number.

It is an amenable number.

254421042032345 is a deficient number, since it is larger than the sum of its proper divisors (52640593724455).

254421042032345 is a wasteful number, since it uses less digits than its factorization.

254421042032345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185156936.

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 254421042032345 its reverse (543230240124452), we get a palindrome (797651282156797).

The spelling of 254421042032345 in words is "two hundred fifty-four trillion, four hundred twenty-one billion, forty-two million, thirty-two thousand, three hundred forty-five".