3144005405 has 4 divisors (see below), whose sum is σ = 3772806492. Its totient is φ = 2515204320.

The previous prime is 3144005387. The next prime is 3144005413. The reversal of 3144005405 is 5045004413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5045004413 = 373 ⋅13525481.

It can be written as a sum of positive squares in 2 ways, for example, as 548918041 + 2595087364 = 23429^2 + 50942^2 .

It is not a de Polignac number, because 3144005405 - 2⁶ = 3144005341 is a prime.

It is a super-3 number, since 3×3144005405³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314400536 + ... + 314400545.

It is an arithmetic number, because the mean of its divisors is an integer number (943201623).

Almost surely, 2^3144005405 is an apocalyptic number.

It is an amenable number.

3144005405 is a deficient number, since it is larger than the sum of its proper divisors (628801087).

3144005405 is an equidigital number, since it uses as much as digits as its factorization.

3144005405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628801086.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 3144005405 is about 56071.4312729754. The cubic root of 3144005405 is about 1464.9667284239.

Adding to 3144005405 its reverse (5045004413), we get a palindrome (8189009818).

The spelling of 3144005405 in words is "three billion, one hundred forty-four million, five thousand, four hundred five".