405014345 has 4 divisors (see below), whose sum is σ = 486017220. Its totient is φ = 324011472.

The previous prime is 405014339. The next prime is 405014387. The reversal of 405014345 is 543410504.

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 202322176 + 202692169 = 14224^2 + 14237^2 .

It is a cyclic number.

It is not a de Polignac number, because 405014345 - 2¹⁶ = 404948809 is a prime.

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, 40501430 + ... + 40501439.

It is an arithmetic number, because the mean of its divisors is an integer number (121504305).

Almost surely, 2^405014345 is an apocalyptic number.

It is an amenable number.

405014345 is a deficient number, since it is larger than the sum of its proper divisors (81002875).

405014345 is an equidigital number, since it uses as much as digits as its factorization.

405014345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81002874.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 405014345 is about 20124.9681987326. The cubic root of 405014345 is about 739.8723574583.

Adding to 405014345 its reverse (543410504), we get a palindrome (948424849).

The spelling of 405014345 in words is "four hundred five million, fourteen thousand, three hundred forty-five".