142244541 has 12 divisors (see below), whose sum is σ = 205617568. Its totient is φ = 94758984.

The previous prime is 142244537. The next prime is 142244549. The reversal of 142244541 is 145442241.

It is not a de Polignac number, because 142244541 - 2² = 142244537 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142244549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8766 + ... + 19008.

Almost surely, 2^142244541 is an apocalyptic number.

It is an amenable number.

142244541 is a deficient number, since it is larger than the sum of its proper divisors (63373027).

142244541 is a wasteful number, since it uses less digits than its factorization.

142244541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11792 (or 11789 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 142244541 is about 11926.6315864958. The cubic root of 142244541 is about 522.0096554342.

Adding to 142244541 its reverse (145442241), we get a palindrome (287686782).

The spelling of 142244541 in words is "one hundred forty-two million, two hundred forty-four thousand, five hundred forty-one".