142556544 has 256 divisors, whose sum is σ = 479808000. Its totient is φ = 41306112.

The previous prime is 142556539. The next prime is 142556581. The reversal of 142556544 is 445655241.

142556544 is digitally balanced in base 2, 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 (36).

It is a junction number, because it is equal to n+sod(n) for n = 142556499 and 142556508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 853549 + ... + 853715.

It is an arithmetic number, because the mean of its divisors is an integer number (1874250).

Almost surely, 2^142556544 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 142556544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239904000).

142556544 is an abundant number, since it is smaller than the sum of its proper divisors (337251456).

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

142556544 is a wasteful number, since it uses less digits than its factorization.

142556544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 204 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 142556544 is about 11939.7045189569. The cubic root of 142556544 is about 522.3910400605.

The spelling of 142556544 in words is "one hundred forty-two million, five hundred fifty-six thousand, five hundred forty-four".