1044403142 has 4 divisors (see below), whose sum is σ = 1566604716. Its totient is φ = 522201570.

The previous prime is 1044403081. The next prime is 1044403207. The reversal of 1044403142 is 2413044401.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261100784 + ... + 261100787.

It is an arithmetic number, because the mean of its divisors is an integer number (391651179).

Almost surely, 2^1044403142 is an apocalyptic number.

1044403142 is a deficient number, since it is larger than the sum of its proper divisors (522201574).

1044403142 is an equidigital number, since it uses as much as digits as its factorization.

1044403142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522201573.

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

The square root of 1044403142 is about 32317.2267065106. The cubic root of 1044403142 is about 1014.5872255267.

Adding to 1044403142 its reverse (2413044401), we get a palindrome (3457447543).

The spelling of 1044403142 in words is "one billion, forty-four million, four hundred three thousand, one hundred forty-two".