142436342100 has 144 divisors (see below), whose sum is σ = 444158322048. Its totient is φ = 35034293760.

The previous prime is 142436342099. The next prime is 142436342107. The reversal of 142436342100 is 1243634241.

It is a super-2 number, since 2×142436342100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142436342107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5317942 + ... + 5344658.

It is an arithmetic number, because the mean of its divisors is an integer number (3084432792).

Almost surely, 2^142436342100 is an apocalyptic number.

142436342100 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 142436342100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222079161024).

142436342100 is an abundant number, since it is smaller than the sum of its proper divisors (301721979948).

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

142436342100 is a wasteful number, since it uses less digits than its factorization.

142436342100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28114 (or 28107 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 142436342100 its reverse (1243634241), we get a palindrome (143679976341).

The spelling of 142436342100 in words is "one hundred forty-two billion, four hundred thirty-six million, three hundred forty-two thousand, one hundred".