405352122145 has 8 divisors (see below), whose sum is σ = 487208370240. Its totient is φ = 323757815280.

The previous prime is 405352122137. The next prime is 405352122151. The reversal of 405352122145 is 541221253504.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 405352122145 - 2³ = 405352122137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 405352122145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65481901 + ... + 65488090.

It is an arithmetic number, because the mean of its divisors is an integer number (60901046280).

Almost surely, 2^405352122145 is an apocalyptic number.

It is an amenable number.

405352122145 is a deficient number, since it is larger than the sum of its proper divisors (81856248095).

405352122145 is a wasteful number, since it uses less digits than its factorization.

405352122145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130970615.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 405352122145 its reverse (541221253504), we get a palindrome (946573375649).

The spelling of 405352122145 in words is "four hundred five billion, three hundred fifty-two million, one hundred twenty-two thousand, one hundred forty-five".