3145545457 has 2 divisors, whose sum is σ = 3145545458. Its totient is φ = 3145545456.

The previous prime is 3145545451. The next prime is 3145545493. The reversal of 3145545457 is 7545455413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2485620736 + 659924721 = 49856^2 + 25689^2 .

It is a cyclic number.

It is not a de Polignac number, because 3145545457 - 2⁷ = 3145545329 is a prime.

It is not a weakly prime, because it can be changed into another prime (3145545451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572772728 + 1572772729.

It is an arithmetic number, because the mean of its divisors is an integer number (1572772729).

Almost surely, 2^3145545457 is an apocalyptic number.

It is an amenable number.

3145545457 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145545457 is an equidigital number, since it uses as much as digits as its factorization.

3145545457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840000, while the sum is 43.

The square root of 3145545457 is about 56085.1625387678. The cubic root of 3145545457 is about 1465.2058879642.

The spelling of 3145545457 in words is "three billion, one hundred forty-five million, five hundred forty-five thousand, four hundred fifty-seven".