1457149 has 2 divisors, whose sum is σ = 1457150. Its totient is φ = 1457148.

The previous prime is 1457147. The next prime is 1457161. The reversal of 1457149 is 9417541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1397124 + 60025 = 1182^2 + 245^2 .

It is a cyclic number.

It is not a de Polignac number, because 1457149 - 2¹ = 1457147 is a prime.

Together with 1457147, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1457149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1457143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728574 + 728575.

It is an arithmetic number, because the mean of its divisors is an integer number (728575).

2^1457149 is an apocalyptic number.

It is an amenable number.

1457149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457149 is an equidigital number, since it uses as much as digits as its factorization.

1457149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 31.

The square root of 1457149 is about 1207.1242686650. The cubic root of 1457149 is about 113.3708286163.

The spelling of 1457149 in words is "one million, four hundred fifty-seven thousand, one hundred forty-nine".