1142335043 has 24 divisors (see below), whose sum is σ = 1332207648. Its totient is φ = 974147328.

The previous prime is 1142335039. The next prime is 1142335069. The reversal of 1142335043 is 3405332411.

It is not a de Polignac number, because 1142335043 - 2² = 1142335039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142335093) 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, 137105 + ... + 145197.

It is an arithmetic number, because the mean of its divisors is an integer number (55508652).

Almost surely, 2^1142335043 is an apocalyptic number.

1142335043 is a deficient number, since it is larger than the sum of its proper divisors (189872605).

1142335043 is a wasteful number, since it uses less digits than its factorization.

1142335043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8171 (or 8152 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1142335043 is about 33798.4473459951. The cubic root of 1142335043 is about 1045.3566826498.

Adding to 1142335043 its reverse (3405332411), we get a palindrome (4547667454).

The spelling of 1142335043 in words is "one billion, one hundred forty-two million, three hundred thirty-five thousand, forty-three".