1047443142 has 16 divisors (see below), whose sum is σ = 2098152000. Its totient is φ = 348603432.

The previous prime is 1047443123. The next prime is 1047443143. The reversal of 1047443142 is 2413447401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047443143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131892 + ... + 139607.

It is an arithmetic number, because the mean of its divisors is an integer number (131134500).

Almost surely, 2^1047443142 is an apocalyptic number.

1047443142 is an abundant number, since it is smaller than the sum of its proper divisors (1050708858).

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

1047443142 is a wasteful number, since it uses less digits than its factorization.

1047443142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272147.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 1047443142 is about 32364.2262691386. The cubic root of 1047443142 is about 1015.5706763553.

The spelling of 1047443142 in words is "one billion, forty-seven million, four hundred forty-three thousand, one hundred forty-two".