1455630 has 48 divisors (see below), whose sum is σ = 3849552. Its totient is φ = 352000.

The previous prime is 1455613. The next prime is 1455653. The reversal of 1455630 is 365541.

It is a self number, because there is not a number n which added to its sum of digits gives 1455630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3430 + ... + 3830.

It is an arithmetic number, because the mean of its divisors is an integer number (80199).

2^1455630 is an apocalyptic number.

1455630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1455630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1924776).

1455630 is an abundant number, since it is smaller than the sum of its proper divisors (2393922).

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

1455630 is a wasteful number, since it uses less digits than its factorization.

1455630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1455630 is about 1206.4949233213. The cubic root of 1455630 is about 113.3314205752.

It can be divided in two parts, 145 and 5630, that added together give a palindrome (5775).

The spelling of 1455630 in words is "one million, four hundred fifty-five thousand, six hundred thirty".