1142535043 has 8 divisors (see below), whose sum is σ = 1230826688. Its totient is φ = 1054301184.

The previous prime is 1142535029. The next prime is 1142535047. The reversal of 1142535043 is 3405352411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142535043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142535047) by changing a digit.

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, 32230 + ... + 57652.

It is an arithmetic number, because the mean of its divisors is an integer number (153853336).

Almost surely, 2^1142535043 is an apocalyptic number.

1142535043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1142535043 is a deficient number, since it is larger than the sum of its proper divisors (88291645).

1142535043 is a wasteful number, since it uses less digits than its factorization.

1142535043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28893.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1142535043 is about 33801.4059322981. The cubic root of 1142535043 is about 1045.4176860999.

Adding to 1142535043 its reverse (3405352411), we get a palindrome (4547887454).

The spelling of 1142535043 in words is "one billion, one hundred forty-two million, five hundred thirty-five thousand, forty-three".