142332220 has 24 divisors (see below), whose sum is σ = 299132064. Its totient is φ = 56888256.

The previous prime is 142332199. The next prime is 142332221. The reversal of 142332220 is 22233241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142332221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37657 + ... + 41263.

It is an arithmetic number, because the mean of its divisors is an integer number (12463836).

Almost surely, 2^142332220 is an apocalyptic number.

142332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142332220 is an abundant number, since it is smaller than the sum of its proper divisors (156799844).

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

142332220 is a wasteful number, since it uses less digits than its factorization.

142332220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5589 (or 5587 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 142332220 is about 11930.3067856615. The cubic root of 142332220 is about 522.1168883339.

Adding to 142332220 its reverse (22233241), we get a palindrome (164565461).

The spelling of 142332220 in words is "one hundred forty-two million, three hundred thirty-two thousand, two hundred twenty".