1442423541 has 32 divisors (see below), whose sum is σ = 2171215872. Its totient is φ = 845127360.

The previous prime is 1442423509. The next prime is 1442423557. The reversal of 1442423541 is 1453242441.

It is not a de Polignac number, because 1442423541 - 2⁵ = 1442423509 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1442423499 and 1442423508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442423581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196426 + ... + 203636.

It is an arithmetic number, because the mean of its divisors is an integer number (67850496).

Almost surely, 2^1442423541 is an apocalyptic number.

It is an amenable number.

1442423541 is a deficient number, since it is larger than the sum of its proper divisors (728792331).

1442423541 is a wasteful number, since it uses less digits than its factorization.

1442423541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7473.

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

The square root of 1442423541 is about 37979.2514539189. The cubic root of 1442423541 is about 1129.8763905305.

Adding to 1442423541 its reverse (1453242441), we get a palindrome (2895665982).

The spelling of 1442423541 in words is "one billion, four hundred forty-two million, four hundred twenty-three thousand, five hundred forty-one".