142242441 has 16 divisors (see below), whose sum is σ = 208951488. Its totient is φ = 85352000.

The previous prime is 142242433. The next prime is 142242461. The reversal of 142242441 is 144242241.

It is a cyclic number.

It is not a de Polignac number, because 142242441 - 2³ = 142242433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142242461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18006 + ... + 24671.

It is an arithmetic number, because the mean of its divisors is an integer number (13059468).

Almost surely, 2^142242441 is an apocalyptic number.

142242441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142242441 is a deficient number, since it is larger than the sum of its proper divisors (66709047).

142242441 is a wasteful number, since it uses less digits than its factorization.

142242441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42792.

The product of its digits is 2048, while the sum is 24.

The square root of 142242441 is about 11926.5435479019. The cubic root of 142242441 is about 522.0070865584.

Adding to 142242441 its reverse (144242241), we get a palindrome (286484682).

The spelling of 142242441 in words is "one hundred forty-two million, two hundred forty-two thousand, four hundred forty-one".