142224105 has 16 divisors (see below), whose sum is σ = 229199040. Its totient is φ = 75306048.

The previous prime is 142224073. The next prime is 142224119. The reversal of 142224105 is 501422241.

142224105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142224105 - 2⁵ = 142224073 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32022 + ... + 36191.

It is an arithmetic number, because the mean of its divisors is an integer number (14324940).

Almost surely, 2^142224105 is an apocalyptic number.

142224105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142224105 is a deficient number, since it is larger than the sum of its proper divisors (86974935).

142224105 is a wasteful number, since it uses less digits than its factorization.

142224105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68360.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 142224105 is about 11925.7748175957. The cubic root of 142224105 is about 521.9846555287.

Adding to 142224105 its reverse (501422241), we get a palindrome (643646346).

The spelling of 142224105 in words is "one hundred forty-two million, two hundred twenty-four thousand, one hundred five".