1455580 has 48 divisors (see below), whose sum is σ = 3600576. Its totient is φ = 483840.

The previous prime is 1455569. The next prime is 1455599. The reversal of 1455580 is 855541.

1455580 = 453² + 454² + ... + 459².

It is a super-3 number, since 3×1455580³ = 9251869401243336000, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5040 + ... + 5320.

It is an arithmetic number, because the mean of its divisors is an integer number (75012).

2^1455580 is an apocalyptic number.

1455580 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 1455580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1800288).

1455580 is an abundant number, since it is smaller than the sum of its proper divisors (2144996).

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

1455580 is a wasteful number, since it uses less digits than its factorization.

1455580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 1455580 is about 1206.4742019621. The cubic root of 1455580 is about 113.3301229387.

The spelling of 1455580 in words is "one million, four hundred fifty-five thousand, five hundred eighty".