403445465 has 8 divisors (see below), whose sum is σ = 485508168. Its totient is φ = 321840640.

The previous prime is 403445459. The next prime is 403445473. The reversal of 403445465 is 564544304.

It can be written as a sum of positive squares in 4 ways, for example, as 18344089 + 385101376 = 4283^2 + 19624^2 .

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

It is not a de Polignac number, because 403445465 - 2⁶ = 403445401 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112526 + ... + 116055.

It is an arithmetic number, because the mean of its divisors is an integer number (60688521).

Almost surely, 2^403445465 is an apocalyptic number.

It is an amenable number.

403445465 is a deficient number, since it is larger than the sum of its proper divisors (82062703).

403445465 is a wasteful number, since it uses less digits than its factorization.

403445465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228939.

The product of its (nonzero) digits is 115200, while the sum is 35.

The square root of 403445465 is about 20085.9519316362. The cubic root of 403445465 is about 738.9157880631.

Adding to 403445465 its reverse (564544304), we get a palindrome (967989769).

The spelling of 403445465 in words is "four hundred three million, four hundred forty-five thousand, four hundred sixty-five".