3141505645 has 4 divisors (see below), whose sum is σ = 3769806780. Its totient is φ = 2513204512.

The previous prime is 3141505643. The next prime is 3141505663. The reversal of 3141505645 is 5465051413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 652393764 + 2489111881 = 25542^2 + 49891^2 .

It is a cyclic number.

It is not a de Polignac number, because 3141505645 - 2¹ = 3141505643 is a prime.

It is a super-3 number, since 3×3141505645³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3141505645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3141505643) 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, 314150560 + ... + 314150569.

It is an arithmetic number, because the mean of its divisors is an integer number (942451695).

Almost surely, 2^3141505645 is an apocalyptic number.

It is an amenable number.

3141505645 is a deficient number, since it is larger than the sum of its proper divisors (628301135).

3141505645 is an equidigital number, since it uses as much as digits as its factorization.

3141505645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628301134.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 3141505645 is about 56049.1359879883. The cubic root of 3141505645 is about 1464.5783664736.

The spelling of 3141505645 in words is "three billion, one hundred forty-one million, five hundred five thousand, six hundred forty-five".