1142054208 has 112 divisors (see below), whose sum is σ = 3368040000. Its totient is φ = 379482624.

The previous prime is 1142054183. The next prime is 1142054239. The reversal of 1142054208 is 8024502411.

1142054208 is a `hidden beast` number, since 114 + 2 + 0 + 542 + 0 + 8 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 671343 + ... + 673041.

Almost surely, 2^1142054208 is an apocalyptic number.

1142054208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142054208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1684020000).

1142054208 is an abundant number, since it is smaller than the sum of its proper divisors (2225985792).

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

1142054208 is a wasteful number, since it uses less digits than its factorization.

1142054208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109 (or 2093 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 1142054208 is about 33794.2925358706. The cubic root of 1142054208 is about 1045.2710111105.

Adding to 1142054208 its reverse (8024502411), we get a palindrome (9166556619).

The spelling of 1142054208 in words is "one billion, one hundred forty-two million, fifty-four thousand, two hundred eight".