1455057 has 8 divisors (see below), whose sum is σ = 2155680. Its totient is φ = 970020.

The previous prime is 1455053. The next prime is 1455067. The reversal of 1455057 is 7505541.

It is not a de Polignac number, because 1455057 - 2² = 1455053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 53891 = 1455057 / (1 + 4 + 5 + 5 + 0 + 5 + 7).

It is a self number, because there is not a number n which added to its sum of digits gives 1455057.

It is not an unprimeable number, because it can be changed into a prime (1455053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26919 + ... + 26972.

It is an arithmetic number, because the mean of its divisors is an integer number (269460).

2^1455057 is an apocalyptic number.

It is an amenable number.

1455057 is a deficient number, since it is larger than the sum of its proper divisors (700623).

1455057 is an equidigital number, since it uses as much as digits as its factorization.

1455057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53900 (or 53894 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 1455057 is about 1206.2574352102. The cubic root of 1455057 is about 113.3165478793.

The spelling of 1455057 in words is "one million, four hundred fifty-five thousand, fifty-seven".