1455800 has 48 divisors (see below), whose sum is σ = 3515400. Its totient is φ = 560000.

The previous prime is 1455781. The next prime is 1455809. The reversal of 1455800 is 85541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455809) 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 11 ways as a sum of consecutive naturals, for example, 5675 + ... + 5925.

2^1455800 is an apocalyptic number.

1455800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1455800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1757700).

1455800 is an abundant number, since it is smaller than the sum of its proper divisors (2059600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1455800 is a wasteful number, since it uses less digits than its factorization.

1455800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1455800 is about 1206.5653732807. The cubic root of 1455800 is about 113.3358323171.

The spelling of 1455800 in words is "one million, four hundred fifty-five thousand, eight hundred".