1424445 has 32 divisors (see below), whose sum is σ = 2540160. Its totient is φ = 675840.

The previous prime is 1424443. The next prime is 1424471. The reversal of 1424445 is 5444241.

It is a happy number.

It is not a de Polignac number, because 1424445 - 2¹ = 1424443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14637 + ... + 14733.

It is an arithmetic number, because the mean of its divisors is an integer number (79380).

2^1424445 is an apocalyptic number.

1424445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1424445 is a deficient number, since it is larger than the sum of its proper divisors (1115715).

1424445 is a wasteful number, since it uses less digits than its factorization.

1424445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205.

The product of its digits is 2560, while the sum is 24.

The square root of 1424445 is about 1193.5011520732. The cubic root of 1424445 is about 112.5162445678.

Adding to 1424445 its reverse (5444241), we get a palindrome (6868686).

The spelling of 1424445 in words is "one million, four hundred twenty-four thousand, four hundred forty-five".