1457855 has 16 divisors (see below), whose sum is σ = 2087424. Its totient is φ = 955680.

The previous prime is 1457849. The next prime is 1457857. The reversal of 1457855 is 5587541.

It is not a de Polignac number, because 1457855 - 2⁶ = 1457791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101 + ... + 1710.

It is an arithmetic number, because the mean of its divisors is an integer number (130464).

2^1457855 is an apocalyptic number.

1457855 is a deficient number, since it is larger than the sum of its proper divisors (629569).

1457855 is a wasteful number, since it uses less digits than its factorization.

1457855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846.

The product of its digits is 28000, while the sum is 35.

The square root of 1457855 is about 1207.4166637909. The cubic root of 1457855 is about 113.3891353422.

It can be divided in two parts, 145 and 7855, that added together give a cube (8000 = 20³).

The spelling of 1457855 in words is "one million, four hundred fifty-seven thousand, eight hundred fifty-five".