1142023434 has 16 divisors (see below), whose sum is σ = 2286703872. Its totient is φ = 380231648.

The previous prime is 1142023429. The next prime is 1142023453. The reversal of 1142023434 is 4343202411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105099 + ... + 115454.

It is an arithmetic number, because the mean of its divisors is an integer number (142918992).

Almost surely, 2^1142023434 is an apocalyptic number.

1142023434 is an abundant number, since it is smaller than the sum of its proper divisors (1144680438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142023434 is a wasteful number, since it uses less digits than its factorization.

1142023434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221421.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1142023434 is about 33793.8372192327. The cubic root of 1142023434 is about 1045.2616223387.

Adding to 1142023434 its reverse (4343202411), we get a palindrome (5485225845).

The spelling of 1142023434 in words is "one billion, one hundred forty-two million, twenty-three thousand, four hundred thirty-four".