405146465 has 16 divisors (see below), whose sum is σ = 516015360. Its totient is φ = 304316160.

The previous prime is 405146459. The next prime is 405146513. The reversal of 405146465 is 564641504.

It is not a de Polignac number, because 405146465 - 2¹⁴ = 405130081 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31106 + ... + 42164.

It is an arithmetic number, because the mean of its divisors is an integer number (32250960).

Almost surely, 2^405146465 is an apocalyptic number.

It is an amenable number.

405146465 is a deficient number, since it is larger than the sum of its proper divisors (110868895).

405146465 is a wasteful number, since it uses less digits than its factorization.

405146465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11512.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 405146465 is about 20128.2504207395. The cubic root of 405146465 is about 739.9528001305.

Adding to 405146465 its reverse (564641504), we get a palindrome (969787969).

The spelling of 405146465 in words is "four hundred five million, one hundred forty-six thousand, four hundred sixty-five".