4142556 has 72 divisors (see below), whose sum is σ = 11842320. Its totient is φ = 1251360.

The previous prime is 4142521. The next prime is 4142569. The reversal of 4142556 is 6552414.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12910 + ... + 13226.

Almost surely, 2^4142556 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 4142556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5921160).

4142556 is an abundant number, since it is smaller than the sum of its proper divisors (7699764).

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

4142556 is a wasteful number, since it uses less digits than its factorization.

4142556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 333 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 4142556 is about 2035.3270007544. The cubic root of 4142556 is about 160.6039155860.

The spelling of 4142556 in words is "four million, one hundred forty-two thousand, five hundred fifty-six".