1142004434 has 4 divisors (see below), whose sum is σ = 1713006654. Its totient is φ = 571002216.

The previous prime is 1142004433. The next prime is 1142004547. The reversal of 1142004434 is 4344002411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1125803809 + 16200625 = 33553^2 + 4025^2 .

It is not an unprimeable number, because it can be changed into a prime (1142004433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285501107 + ... + 285501110.

Almost surely, 2^1142004434 is an apocalyptic number.

1142004434 is a deficient number, since it is larger than the sum of its proper divisors (571002220).

1142004434 is an equidigital number, since it uses as much as digits as its factorization.

1142004434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571002219.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1142004434 is about 33793.5561017186. The cubic root of 1142004434 is about 1045.2558255863.

Adding to 1142004434 its reverse (4344002411), we get a palindrome (5486006845).

The spelling of 1142004434 in words is "one billion, one hundred forty-two million, four thousand, four hundred thirty-four".