1142541112 has 8 divisors (see below), whose sum is σ = 2142264600. Its totient is φ = 571270552.

The previous prime is 1142541067. The next prime is 1142541131. The reversal of 1142541112 is 2111452411.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1142541112² = 2610800385220393088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71408812 + ... + 71408827.

It is an arithmetic number, because the mean of its divisors is an integer number (267783075).

Almost surely, 2^1142541112 is an apocalyptic number.

It is an amenable number.

1142541112 is a deficient number, since it is larger than the sum of its proper divisors (999723488).

1142541112 is a wasteful number, since it uses less digits than its factorization.

1142541112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142817645 (or 142817641 counting only the distinct ones).

The product of its digits is 320, while the sum is 22.

The square root of 1142541112 is about 33801.4957065512. The cubic root of 1142541112 is about 1045.4195371383.

Adding to 1142541112 its reverse (2111452411), we get a palindrome (3253993523).

The spelling of 1142541112 in words is "one billion, one hundred forty-two million, five hundred forty-one thousand, one hundred twelve".