1457045 has 8 divisors (see below), whose sum is σ = 1755096. Its totient is φ = 1161216.

The previous prime is 1457039. The next prime is 1457051. The reversal of 1457045 is 5407541.

It is an interprime number because it is at equal distance from previous prime (1457039) and next prime (1457051).

It can be written as a sum of positive squares in 4 ways, for example, as 196 + 1456849 = 14^2 + 1207^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1457045 - 2⁸ = 1456789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1829 + ... + 2501.

It is an arithmetic number, because the mean of its divisors is an integer number (219387).

2^1457045 is an apocalyptic number.

It is an amenable number.

1457045 is a deficient number, since it is larger than the sum of its proper divisors (298051).

1457045 is an equidigital number, since it uses as much as digits as its factorization.

1457045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 1457045 is about 1207.0811903099. The cubic root of 1457045 is about 113.3681313752.

The spelling of 1457045 in words is "one million, four hundred fifty-seven thousand, forty-five".