1142350445 has 8 divisors (see below), whose sum is σ = 1451457144. Its totient is φ = 860122624.

The previous prime is 1142350441. The next prime is 1142350457. The reversal of 1142350445 is 5440532411.

1142350445 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 226743364 + 915607081 = 15058^2 + 30259^2 .

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 1142350445 - 2² = 1142350441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142350441) 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, 6719624 + ... + 6719793.

It is an arithmetic number, because the mean of its divisors is an integer number (181432143).

Almost surely, 2^1142350445 is an apocalyptic number.

It is an amenable number.

1142350445 is a deficient number, since it is larger than the sum of its proper divisors (309106699).

1142350445 is a wasteful number, since it uses less digits than its factorization.

1142350445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13439439.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1142350445 is about 33798.6751959304. The cubic root of 1142350445 is about 1045.3613807786.

Adding to 1142350445 its reverse (5440532411), we get a palindrome (6582882856).

The spelling of 1142350445 in words is "one billion, one hundred forty-two million, three hundred fifty thousand, four hundred forty-five".