142241155 has 8 divisors (see below), whose sum is σ = 195073632. Its totient is φ = 97536768.

The previous prime is 142241149. The next prime is 142241171. The reversal of 142241155 is 551142241.

142241155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 142241155 - 2³ = 142241147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2031982 + ... + 2032051.

It is an arithmetic number, because the mean of its divisors is an integer number (24384204).

Almost surely, 2^142241155 is an apocalyptic number.

142241155 is a deficient number, since it is larger than the sum of its proper divisors (52832477).

142241155 is an equidigital number, since it uses as much as digits as its factorization.

142241155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064045.

The product of its digits is 1600, while the sum is 25.

The square root of 142241155 is about 11926.4896344230. The cubic root of 142241155 is about 522.0055134153.

Adding to 142241155 its reverse (551142241), we get a palindrome (693383396).

The spelling of 142241155 in words is "one hundred forty-two million, two hundred forty-one thousand, one hundred fifty-five".