1142355116 has 24 divisors (see below), whose sum is σ = 2333323776. Its totient is φ = 479163600.

The previous prime is 1142355101. The next prime is 1142355121. The reversal of 1142355116 is 6115532411.

It is a super-2 number, since 2×1142355116² = 2609950422102746912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432710 + ... + 435341.

It is an arithmetic number, because the mean of its divisors is an integer number (97221824).

Almost surely, 2^1142355116 is an apocalyptic number.

It is an amenable number.

1142355116 is an abundant number, since it is smaller than the sum of its proper divisors (1190968660).

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

1142355116 is a wasteful number, since it uses less digits than its factorization.

1142355116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868109 (or 868107 counting only the distinct ones).

The product of its digits is 3600, while the sum is 29.

The square root of 1142355116 is about 33798.7442962013. The cubic root of 1142355116 is about 1045.3628055825.

Adding to 1142355116 its reverse (6115532411), we get a palindrome (7257887527).

The spelling of 1142355116 in words is "one billion, one hundred forty-two million, three hundred fifty-five thousand, one hundred sixteen".