1142110445 has 8 divisors (see below), whose sum is σ = 1566322944. Its totient is φ = 783161424.

The previous prime is 1142110441. The next prime is 1142110469. The reversal of 1142110445 is 5440112411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142110445 - 2² = 1142110441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142110445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142110441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16315829 + ... + 16315898.

It is an arithmetic number, because the mean of its divisors is an integer number (195790368).

Almost surely, 2^1142110445 is an apocalyptic number.

It is an amenable number.

1142110445 is a deficient number, since it is larger than the sum of its proper divisors (424212499).

1142110445 is an equidigital number, since it uses as much as digits as its factorization.

1142110445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32631739.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1142110445 is about 33795.1245744116. The cubic root of 1142110445 is about 1045.2881678971.

Adding to 1142110445 its reverse (5440112411), we get a palindrome (6582222856).

The spelling of 1142110445 in words is "one billion, one hundred forty-two million, one hundred ten thousand, four hundred forty-five".