3140155345 has 4 divisors (see below), whose sum is σ = 3768186420. Its totient is φ = 2512124272.

The previous prime is 3140155313. The next prime is 3140155349. The reversal of 3140155345 is 5435510413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5435510413 = 12889 ⋅421717.

It can be written as a sum of positive squares in 2 ways, for example, as 2383685329 + 756470016 = 48823^2 + 27504^2 .

It is a cyclic number.

It is not a de Polignac number, because 3140155345 - 2⁵ = 3140155313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3140155349) 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, 314015530 + ... + 314015539.

It is an arithmetic number, because the mean of its divisors is an integer number (942046605).

Almost surely, 2^3140155345 is an apocalyptic number.

It is an amenable number.

3140155345 is a deficient number, since it is larger than the sum of its proper divisors (628031075).

3140155345 is an equidigital number, since it uses as much as digits as its factorization.

3140155345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628031074.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 3140155345 is about 56037.0890125460. The cubic root of 3140155345 is about 1464.3684985734.

Adding to 3140155345 its reverse (5435510413), we get a palindrome (8575665758).

The spelling of 3140155345 in words is "three billion, one hundred forty million, one hundred fifty-five thousand, three hundred forty-five".