1450240 has 72 divisors (see below), whose sum is σ = 3826368. Its totient is φ = 522240.

The previous prime is 1450237. The next prime is 1450243. The reversal of 1450240 is 420541.

It is an interprime number because it is at equal distance from previous prime (1450237) and next prime (1450243).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1450243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14029 + ... + 14131.

It is an arithmetic number, because the mean of its divisors is an integer number (53144).

2^1450240 is an apocalyptic number.

1450240 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 1450240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1913184).

1450240 is an abundant number, since it is smaller than the sum of its proper divisors (2376128).

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

1450240 is a wasteful number, since it uses less digits than its factorization.

1450240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1450240 is about 1204.2591083318. The cubic root of 1450240 is about 113.1913639480.

Adding to 1450240 its reverse (420541), we get a palindrome (1870781).

It can be divided in two parts, 1 and 450240, that added together give a square (450241 = 671²).

The spelling of 1450240 in words is "one million, four hundred fifty thousand, two hundred forty".