450404145 has 96 divisors (see below), whose sum is σ = 854485632. Its totient is φ = 227308032.

The previous prime is 450404131. The next prime is 450404153. The reversal of 450404145 is 541404054.

It is not a de Polignac number, because 450404145 - 2⁵ = 450404113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1932949 + ... + 1933181.

It is an arithmetic number, because the mean of its divisors is an integer number (8900892).

Almost surely, 2^450404145 is an apocalyptic number.

450404145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

450404145 is a deficient number, since it is larger than the sum of its proper divisors (404081487).

450404145 is a wasteful number, since it uses less digits than its factorization.

450404145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 450404145 is about 21222.7270867813. The cubic root of 450404145 is about 766.5387712513.

Adding to 450404145 its reverse (541404054), we get a palindrome (991808199).

Subtracting 450404145 from its reverse (541404054), we obtain a palindrome (90999909).

The spelling of 450404145 in words is "four hundred fifty million, four hundred four thousand, one hundred forty-five".