142111600 has 60 divisors (see below), whose sum is σ = 353225160. Its totient is φ = 54880000.

The previous prime is 142111591. The next prime is 142111601. The reversal of 142111600 is 6111241.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142111601) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5475 + ... + 17725.

It is an arithmetic number, because the mean of its divisors is an integer number (5887086).

Almost surely, 2^142111600 is an apocalyptic number.

142111600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142111600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176612580).

142111600 is an abundant number, since it is smaller than the sum of its proper divisors (211113560).

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

142111600 is a wasteful number, since it uses less digits than its factorization.

142111600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12298 (or 12287 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 142111600 is about 11921.0570001154. The cubic root of 142111600 is about 521.8469822529.

Adding to 142111600 its reverse (6111241), we get a palindrome (148222841).

It can be divided in two parts, 1421 and 11600, that multiplied together give a square (16483600 = 4060²).

The spelling of 142111600 in words is "one hundred forty-two million, one hundred eleven thousand, six hundred".