1442432 has 32 divisors (see below), whose sum is σ = 2937600. Its totient is φ = 705280.

The previous prime is 1442429. The next prime is 1442437. The reversal of 1442432 is 2342441.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1442432² = 4161220149248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1442437) 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 3 ways as a sum of consecutive naturals, for example, 7457 + ... + 7647.

It is an arithmetic number, because the mean of its divisors is an integer number (91800).

2^1442432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1468800).

1442432 is an abundant number, since it is smaller than the sum of its proper divisors (1495168).

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

1442432 is an equidigital number, since it uses as much as digits as its factorization.

1442432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 252 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 1442432 is about 1201.0129058424. The cubic root of 1442432 is about 112.9878599222.

Adding to 1442432 its reverse (2342441), we get a palindrome (3784873).

Subtracting 1442432 from its reverse (2342441), we obtain a palindrome (900009).

The spelling of 1442432 in words is "one million, four hundred forty-two thousand, four hundred thirty-two".