1142160256 has 64 divisors (see below), whose sum is σ = 2334865680. Its totient is φ = 556351488.

The previous prime is 1142160241. The next prime is 1142160277. The reversal of 1142160256 is 6520612411.

It is a tau number, because it is divible by the number of its divisors (64).

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 in 7 ways as a sum of consecutive naturals, for example, 831186 + ... + 832558.

Almost surely, 2^1142160256 is an apocalyptic number.

1142160256 is a gapful number since it is divisible by the number (16) 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 1142160256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1167432840).

1142160256 is an abundant number, since it is smaller than the sum of its proper divisors (1192705424).

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

1142160256 is an equidigital number, since it uses as much as digits as its factorization.

1142160256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1142160256 is about 33795.8615217899. The cubic root of 1142160256 is about 1045.3033637689.

Adding to 1142160256 its reverse (6520612411), we get a palindrome (7662772667).

The spelling of 1142160256 in words is "one billion, one hundred forty-two million, one hundred sixty thousand, two hundred fifty-six".