1455040 has 28 divisors (see below), whose sum is σ = 3465576. Its totient is φ = 581888.

The previous prime is 1455037. The next prime is 1455043. The reversal of 1455040 is 405541.

It is an interprime number because it is at equal distance from previous prime (1455037) and next prime (1455043).

It is a junction number, because it is equal to n+sod(n) for n = 1454999 and 1455017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1954 + ... + 2593.

2^1455040 is an apocalyptic number.

1455040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1455040 is an abundant number, since it is smaller than the sum of its proper divisors (2010536).

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

1455040 is an equidigital number, since it uses as much as digits as its factorization.

1455040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564 (or 4554 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 1455040 is about 1206.2503886010. The cubic root of 1455040 is about 113.3161065704.

The spelling of 1455040 in words is "one million, four hundred fifty-five thousand, forty".