405341235151345 has 4 divisors (see below), whose sum is σ = 486409482181620. Its totient is φ = 324272988121072.

The previous prime is 405341235151327. The next prime is 405341235151357. The reversal of 405341235151345 is 543151532143504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69879702110464 + 335461533040881 = 8359408^2 + 18315609^2 .

It is a cyclic number.

It is not a de Polignac number, because 405341235151345 - 2⁷ = 405341235151217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 405341235151295 and 405341235151304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40534123515130 + ... + 40534123515139.

It is an arithmetic number, because the mean of its divisors is an integer number (121602370545405).

Almost surely, 2^{405341235151345} is an apocalyptic number.

It is an amenable number.

405341235151345 is a deficient number, since it is larger than the sum of its proper divisors (81068247030275).

405341235151345 is an equidigital number, since it uses as much as digits as its factorization.

405341235151345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81068247030274.

The product of its (nonzero) digits is 2160000, while the sum is 46.

Adding to 405341235151345 its reverse (543151532143504), we get a palindrome (948492767294849).

The spelling of 405341235151345 in words is "four hundred five trillion, three hundred forty-one billion, two hundred thirty-five million, one hundred fifty-one thousand, three hundred forty-five".