1442531424 has 48 divisors (see below), whose sum is σ = 3839996160. Its totient is φ = 474069120.

The previous prime is 1442531417. The next prime is 1442531479. The reversal of 1442531424 is 4241352441.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 1442531391 and 1442531400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99004 + ... + 112635.

It is an arithmetic number, because the mean of its divisors is an integer number (79999920).

Almost surely, 2^1442531424 is an apocalyptic number.

It is an amenable number.

1442531424 is an abundant number, since it is smaller than the sum of its proper divisors (2397464736).

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

1442531424 is a wasteful number, since it uses less digits than its factorization.

1442531424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211723 (or 211715 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 1442531424 is about 37980.6717160189. The cubic root of 1442531424 is about 1129.9045587285.

Adding to 1442531424 its reverse (4241352441), we get a palindrome (5683883865).

The spelling of 1442531424 in words is "one billion, four hundred forty-two million, five hundred thirty-one thousand, four hundred twenty-four".