3154981745 has 8 divisors (see below), whose sum is σ = 3825009384. Its totient is φ = 2497964544.

The previous prime is 3154981741. The next prime is 3154981747. The reversal of 3154981745 is 5471894513.

3154981745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 23348224 + 3131633521 = 4832^2 + 55961^2 .

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 3154981745 - 2² = 3154981741 is a prime.

It is a super-2 number, since 2×3154981745² = 19907819622566490050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3154981745.

It is not an unprimeable number, because it can be changed into a prime (3154981741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3252074 + ... + 3253043.

It is an arithmetic number, because the mean of its divisors is an integer number (478126173).

Almost surely, 2^3154981745 is an apocalyptic number.

It is an amenable number.

3154981745 is a deficient number, since it is larger than the sum of its proper divisors (670027639).

3154981745 is an equidigital number, since it uses as much as digits as its factorization.

3154981745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6505219.

The product of its digits is 604800, while the sum is 47.

The square root of 3154981745 is about 56169.2241801505. The cubic root of 3154981745 is about 1466.6695771005.

The spelling of 3154981745 in words is "three billion, one hundred fifty-four million, nine hundred eighty-one thousand, seven hundred forty-five".