1455428 has 18 divisors (see below), whose sum is σ = 2759274. Its totient is φ = 671424.

The previous prime is 1455409. The next prime is 1455431. The reversal of 1455428 is 8245541.

It can be written as a sum of positive squares in 3 ways, for example, as 91204 + 1364224 = 302^2 + 1168^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1455428.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 401 + ... + 1752.

It is an arithmetic number, because the mean of its divisors is an integer number (153293).

2^1455428 is an apocalyptic number.

It is an amenable number.

1455428 is a deficient number, since it is larger than the sum of its proper divisors (1303846).

1455428 is a wasteful number, since it uses less digits than its factorization.

1455428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183 (or 2168 counting only the distinct ones).

The product of its digits is 6400, while the sum is 29.

The square root of 1455428 is about 1206.4112068445. The cubic root of 1455428 is about 113.3261779412.

The spelling of 1455428 in words is "one million, four hundred fifty-five thousand, four hundred twenty-eight".