1457312 has 12 divisors (see below), whose sum is σ = 2869146. Its totient is φ = 728640.

The previous prime is 1457293. The next prime is 1457321. The reversal of 1457312 is 2137541.

It can be written as a sum of positive squares in only one way, i.e., 1430416 + 26896 = 1196^2 + 164^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22739 + ... + 22802.

2^1457312 is an apocalyptic number.

It is an amenable number.

1457312 is a deficient number, since it is larger than the sum of its proper divisors (1411834).

1457312 is an equidigital number, since it uses as much as digits as its factorization.

1457312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45551 (or 45543 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 1457312 is about 1207.1917826095. The cubic root of 1457312 is about 113.3750557649.

The spelling of 1457312 in words is "one million, four hundred fifty-seven thousand, three hundred twelve".