142242055 has 8 divisors (see below), whose sum is σ = 172286352. Its totient is φ = 112729728.

The previous prime is 142242029. The next prime is 142242091. The reversal of 142242055 is 550242241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142242055 - 2²¹ = 140144903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 132402 + ... + 133471.

It is an arithmetic number, because the mean of its divisors is an integer number (21535794).

Almost surely, 2^142242055 is an apocalyptic number.

142242055 is a deficient number, since it is larger than the sum of its proper divisors (30044297).

142242055 is a wasteful number, since it uses less digits than its factorization.

142242055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265985.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 142242055 is about 11926.5273654991. The cubic root of 142242055 is about 522.0066143718.

Adding to 142242055 its reverse (550242241), we get a palindrome (692484296).

The spelling of 142242055 in words is "one hundred forty-two million, two hundred forty-two thousand, fifty-five".