142240110 has 32 divisors (see below), whose sum is σ = 341712000. Its totient is φ = 37893408.

The previous prime is 142240103. The next prime is 142240123. The reversal of 142240110 is 11042241.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 142240110.

It is a congruent number.

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, 43389 + ... + 46551.

It is an arithmetic number, because the mean of its divisors is an integer number (10678500).

Almost surely, 2^142240110 is an apocalyptic number.

142240110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142240110 is an abundant number, since it is smaller than the sum of its proper divisors (199471890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142240110 is a wasteful number, since it uses less digits than its factorization.

142240110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4672.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 142240110 is about 11926.4458243016. The cubic root of 142240110 is about 522.0042350767.

Adding to 142240110 its reverse (11042241), we get a palindrome (153282351).

The spelling of 142240110 in words is "one hundred forty-two million, two hundred forty thousand, one hundred ten".