3145742885749 has 8 divisors (see below), whose sum is σ = 3164647852800. Its totient is φ = 3126838730736.

The previous prime is 3145742885731. The next prime is 3145742885863. The reversal of 3145742885749 is 9475882475413.

3145742885749 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3145742885749 - 2¹⁷ = 3145742754677 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 (3145742882749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8750452 + ... + 9102850.

It is an arithmetic number, because the mean of its divisors is an integer number (395580981600).

Almost surely, 2^{3145742885749} is an apocalyptic number.

It is an amenable number.

3145742885749 is a deficient number, since it is larger than the sum of its proper divisors (18904967051).

3145742885749 is a wasteful number, since it uses less digits than its factorization.

3145742885749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406019.

The product of its digits is 270950400, while the sum is 67.

The spelling of 3145742885749 in words is "three trillion, one hundred forty-five billion, seven hundred forty-two million, eight hundred eighty-five thousand, seven hundred forty-nine".