142424541 has 16 divisors (see below), whose sum is σ = 241142400. Its totient is φ = 81385344.

The previous prime is 142424537. The next prime is 142424549. The reversal of 142424541 is 145424241.

It is not a de Polignac number, because 142424541 - 2² = 142424537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142424549) 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 15 ways as a sum of consecutive naturals, for example, 376596 + ... + 376973.

It is an arithmetic number, because the mean of its divisors is an integer number (15071400).

Almost surely, 2^142424541 is an apocalyptic number.

It is an amenable number.

142424541 is a deficient number, since it is larger than the sum of its proper divisors (98717859).

142424541 is an equidigital number, since it uses as much as digits as its factorization.

142424541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753585 (or 753579 counting only the distinct ones).

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

The square root of 142424541 is about 11934.1753380785. The cubic root of 142424541 is about 522.2297508916.

Adding to 142424541 its reverse (145424241), we get a palindrome (287848782).

The spelling of 142424541 in words is "one hundred forty-two million, four hundred twenty-four thousand, five hundred forty-one".