465453440145 has 36 divisors (see below), whose sum is σ = 808067556660. Its totient is φ = 247848122304.

The previous prime is 465453440143. The next prime is 465453440161. The reversal of 465453440145 is 541044354564.

465453440145 is a `hidden beast` number, since 4 + 65 + 4 + 5 + 3 + 440 + 145 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 241152691329 + 224300748816 = 491073^2 + 473604^2 .

It is not a de Polignac number, because 465453440145 - 2¹ = 465453440143 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 465453440145.

It is not an unprimeable number, because it can be changed into a prime (465453440143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18825051 + ... + 18849759.

Almost surely, 2^465453440145 is an apocalyptic number.

465453440145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

465453440145 is a deficient number, since it is larger than the sum of its proper divisors (342614116515).

465453440145 is an equidigital number, since it uses as much as digits as its factorization.

465453440145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26014 (or 25364 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 45.

The spelling of 465453440145 in words is "four hundred sixty-five billion, four hundred fifty-three million, four hundred forty thousand, one hundred forty-five".