1049142843 has 24 divisors (see below), whose sum is σ = 1760316896. Its totient is φ = 589680000.

The previous prime is 1049142839. The next prime is 1049142869. The reversal of 1049142843 is 3482419401.

It is a happy number.

1049142843 is a `hidden beast` number, since 104 + 91 + 428 + 43 = 666.

It is not a de Polignac number, because 1049142843 - 2² = 1049142839 is a prime.

It is a super-2 number, since 2×1049142843² = 2201401410036245298, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1049142798 and 1049142807.

It is not an unprimeable number, because it can be changed into a prime (1049142043) 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, 132658 + ... + 140343.

Almost surely, 2^1049142843 is an apocalyptic number.

1049142843 is a deficient number, since it is larger than the sum of its proper divisors (711174053).

1049142843 is a wasteful number, since it uses less digits than its factorization.

1049142843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273075 (or 273072 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1049142843 is about 32390.4745720096. The cubic root of 1049142843 is about 1016.1197065203.

The spelling of 1049142843 in words is "one billion, forty-nine million, one hundred forty-two thousand, eight hundred forty-three".