3145857427 has 2 divisors, whose sum is σ = 3145857428. Its totient is φ = 3145857426.

The previous prime is 3145857419. The next prime is 3145857467. The reversal of 3145857427 is 7247585413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3145857427 - 2³ = 3145857419 is a prime.

It is a super-2 number, since 2×3145857427² = 19792837902022120658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3145857467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572928713 + 1572928714.

It is an arithmetic number, because the mean of its divisors is an integer number (1572928714).

Almost surely, 2^3145857427 is an apocalyptic number.

3145857427 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145857427 is an equidigital number, since it uses as much as digits as its factorization.

3145857427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 940800, while the sum is 46.

The square root of 3145857427 is about 56087.9436866783. The cubic root of 3145857427 is about 1465.2543252624.

The spelling of 3145857427 in words is "three billion, one hundred forty-five million, eight hundred fifty-seven thousand, four hundred twenty-seven".