404545311143 has 4 divisors (see below), whose sum is σ = 410087027808. Its totient is φ = 399003594480.

The previous prime is 404545311097. The next prime is 404545311161. The reversal of 404545311143 is 341113545404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 404545311143 - 2¹⁶ = 404545245607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404545301143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2770858223 + ... + 2770858368.

It is an arithmetic number, because the mean of its divisors is an integer number (102521756952).

Almost surely, 2^404545311143 is an apocalyptic number.

404545311143 is a deficient number, since it is larger than the sum of its proper divisors (5541716665).

404545311143 is an equidigital number, since it uses as much as digits as its factorization.

404545311143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5541716664.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 404545311143 its reverse (341113545404), we get a palindrome (745658856547).

The spelling of 404545311143 in words is "four hundred four billion, five hundred forty-five million, three hundred eleven thousand, one hundred forty-three".