3144145340 has 48 divisors (see below), whose sum is σ = 7552161792. Its totient is φ = 1077105216.

The previous prime is 3144145321. The next prime is 3144145343. The reversal of 3144145340 is 435414413.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144145343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174389 + ... + 191571.

It is an arithmetic number, because the mean of its divisors is an integer number (157336704).

Almost surely, 2^3144145340 is an apocalyptic number.

It is an amenable number.

3144145340 is an abundant number, since it is smaller than the sum of its proper divisors (4408016452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3144145340 is a wasteful number, since it uses less digits than its factorization.

3144145340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18506 (or 18504 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 3144145340 is about 56072.6790870563. The cubic root of 3144145340 is about 1464.9884625975.

Adding to 3144145340 its reverse (435414413), we get a palindrome (3579559753).

The spelling of 3144145340 in words is "three billion, one hundred forty-four million, one hundred forty-five thousand, three hundred forty".