3144457 has 2 divisors, whose sum is σ = 3144458. Its totient is φ = 3144456.

The previous prime is 3144431. The next prime is 3144467. The reversal of 3144457 is 7544413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3111696 + 32761 = 1764^2 + 181^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3144457 is a prime.

3144457 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3144467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572228 + 1572229.

It is an arithmetic number, because the mean of its divisors is an integer number (1572229).

Almost surely, 2^3144457 is an apocalyptic number.

It is an amenable number.

3144457 is a deficient number, since it is larger than the sum of its proper divisors (1).

3144457 is an equidigital number, since it uses as much as digits as its factorization.

3144457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 28.

The square root of 3144457 is about 1773.2616840162. The cubic root of 3144457 is about 146.5036866130.

The spelling of 3144457 in words is "three million, one hundred forty-four thousand, four hundred fifty-seven".