1442256 has 20 divisors (see below), whose sum is σ = 3725952. Its totient is φ = 480736.

The previous prime is 1442251. The next prime is 1442267. The reversal of 1442256 is 6522441.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14976 + ... + 15071.

2^1442256 is an apocalyptic number.

1442256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1442256 is an abundant number, since it is smaller than the sum of its proper divisors (2283696).

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

1442256 is a wasteful number, since it uses less digits than its factorization.

1442256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30058 (or 30052 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 1442256 is about 1200.9396321214. The cubic root of 1442256 is about 112.9832642874.

Adding to 1442256 its reverse (6522441), we get a palindrome (7964697).

The spelling of 1442256 in words is "one million, four hundred forty-two thousand, two hundred fifty-six".