1142350443 has 24 divisors (see below), whose sum is σ = 1794260832. Its totient is φ = 696152448.

The previous prime is 1142350441. The next prime is 1142350457. The reversal of 1142350443 is 3440532411.

It is a happy number.

1142350443 is a `hidden beast` number, since 114 + 2 + 3 + 504 + 43 = 666.

It is not a de Polignac number, because 1142350443 - 2¹ = 1142350441 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 35346 + ... + 59447.

It is an arithmetic number, because the mean of its divisors is an integer number (74760868).

Almost surely, 2^1142350443 is an apocalyptic number.

1142350443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1142350443 is a deficient number, since it is larger than the sum of its proper divisors (651910389).

1142350443 is a wasteful number, since it uses less digits than its factorization.

1142350443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94915 (or 94912 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1142350443 is about 33798.6751663434. The cubic root of 1142350443 is about 1045.3613801685.

Adding to 1142350443 its reverse (3440532411), we get a palindrome (4582882854).

The spelling of 1142350443 in words is "one billion, one hundred forty-two million, three hundred fifty thousand, four hundred forty-three".