3145726757 has 2 divisors, whose sum is σ = 3145726758. Its totient is φ = 3145726756.

The previous prime is 3145726741. The next prime is 3145726783. The reversal of 3145726757 is 7576275413.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3123580321 + 22146436 = 55889^2 + 4706^2 .

It is a cyclic number.

It is not a de Polignac number, because 3145726757 - 2⁴ = 3145726741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3145722757) 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 as a sum of consecutive naturals, namely, 1572863378 + 1572863379.

It is an arithmetic number, because the mean of its divisors is an integer number (1572863379).

Almost surely, 2^3145726757 is an apocalyptic number.

It is an amenable number.

3145726757 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145726757 is an equidigital number, since it uses as much as digits as its factorization.

3145726757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1234800, while the sum is 47.

The square root of 3145726757 is about 56086.7788074872. The cubic root of 3145726757 is about 1465.2340374778.

The spelling of 3145726757 in words is "three billion, one hundred forty-five million, seven hundred twenty-six thousand, seven hundred fifty-seven".