142011100 has 72 divisors (see below), whose sum is σ = 384225408. Its totient is φ = 44260800.

The previous prime is 142011097. The next prime is 142011101. The reversal of 142011100 is 1110241.

142011100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142011101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1522 + ... + 16921.

It is an arithmetic number, because the mean of its divisors is an integer number (5336464).

Almost surely, 2^142011100 is an apocalyptic number.

142011100 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 142011100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192112704).

142011100 is an abundant number, since it is smaller than the sum of its proper divisors (242214308).

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

142011100 is a wasteful number, since it uses less digits than its factorization.

142011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18475 (or 18468 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 142011100 is about 11916.8410243655. The cubic root of 142011100 is about 521.7239381345.

Adding to 142011100 its reverse (1110241), we get a palindrome (143121341).

The spelling of 142011100 in words is "one hundred forty-two million, eleven thousand, one hundred".