1556114142 has 64 divisors (see below), whose sum is σ = 3608064000. Its totient is φ = 443719040.

The previous prime is 1556114141. The next prime is 1556114173. The reversal of 1556114142 is 2414116551.

1556114142 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1556114141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321859 + ... + 326657.

It is an arithmetic number, because the mean of its divisors is an integer number (56376000).

Almost surely, 2^1556114142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1556114142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1804032000).

1556114142 is an abundant number, since it is smaller than the sum of its proper divisors (2051949858).

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

1556114142 is a wasteful number, since it uses less digits than its factorization.

1556114142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4866 (or 4832 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 1556114142 is about 39447.6126273822. The cubic root of 1556114142 is about 1158.8142217954.

The spelling of 1556114142 in words is "one billion, five hundred fifty-six million, one hundred fourteen thousand, one hundred forty-two".