4202145112 has 48 divisors (see below), whose sum is σ = 8669679480. Its totient is φ = 1908023040.

The previous prime is 4202145091. The next prime is 4202145113. The reversal of 4202145112 is 2115412024.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4202145113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1253823 + ... + 1257169.

Almost surely, 2^4202145112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4202145112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4334839740).

4202145112 is an abundant number, since it is smaller than the sum of its proper divisors (4467534368).

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

4202145112 is a wasteful number, since it uses less digits than its factorization.

4202145112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4672 (or 4657 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 4202145112 is about 64823.9547698226. The cubic root of 4202145112 is about 1613.7032806352.

Adding to 4202145112 its reverse (2115412024), we get a palindrome (6317557136).

The spelling of 4202145112 in words is "four billion, two hundred two million, one hundred forty-five thousand, one hundred twelve".