1444642 has 4 divisors (see below), whose sum is σ = 2166966. Its totient is φ = 722320.

The previous prime is 1444633. The next prime is 1444649. The reversal of 1444642 is 2464441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1347921 + 96721 = 1161^2 + 311^2 .

It is not an unprimeable number, because it can be changed into a prime (1444649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361159 + ... + 361162.

2^1444642 is an apocalyptic number.

1444642 is a deficient number, since it is larger than the sum of its proper divisors (722324).

1444642 is an equidigital number, since it uses as much as digits as its factorization.

1444642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722323.

The product of its digits is 3072, while the sum is 25.

The square root of 1444642 is about 1201.9326104237. The cubic root of 1444642 is about 113.0455346809.

The spelling of 1444642 in words is "one million, four hundred forty-four thousand, six hundred forty-two".