404145224145 has 32 divisors (see below), whose sum is σ = 773748124800. Its totient is φ = 198963801792.

The previous prime is 404145224141. The next prime is 404145224159. The reversal of 404145224145 is 541422541404.

404145224145 is a `hidden beast` number, since 4 + 0 + 41 + 452 + 24 + 145 = 666.

It is not a de Polignac number, because 404145224145 - 2² = 404145224141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404145224141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115139335 + ... + 115142844.

It is an arithmetic number, because the mean of its divisors is an integer number (24179628900).

Almost surely, 2^404145224145 is an apocalyptic number.

404145224145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

404145224145 is a deficient number, since it is larger than the sum of its proper divisors (369602900655).

404145224145 is a wasteful number, since it uses less digits than its factorization.

404145224145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230282206 (or 230282200 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

Adding to 404145224145 its reverse (541422541404), we get a palindrome (945567765549).

The spelling of 404145224145 in words is "four hundred four billion, one hundred forty-five million, two hundred twenty-four thousand, one hundred forty-five".