404313545 has 8 divisors (see below), whose sum is σ = 485316360. Its totient is φ = 323357440.

The previous prime is 404313509. The next prime is 404313571. The reversal of 404313545 is 545313404.

It can be written as a sum of positive squares in 4 ways, for example, as 245956489 + 158357056 = 15683^2 + 12584^2 .

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

It is not a de Polignac number, because 404313545 - 2⁸ = 404313289 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11585 + ... + 30705.

It is an arithmetic number, because the mean of its divisors is an integer number (60664545).

Almost surely, 2^404313545 is an apocalyptic number.

It is an amenable number.

404313545 is a deficient number, since it is larger than the sum of its proper divisors (81002815).

404313545 is a wasteful number, since it uses less digits than its factorization.

404313545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23355.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 404313545 is about 20107.5494528796. The cubic root of 404313545 is about 739.4453751395.

Adding to 404313545 its reverse (545313404), we get a palindrome (949626949).

The spelling of 404313545 in words is "four hundred four million, three hundred thirteen thousand, five hundred forty-five".