1042143445 has 16 divisors (see below), whose sum is σ = 1504448640. Its totient is φ = 677001024.

The previous prime is 1042143439. The next prime is 1042143457. The reversal of 1042143445 is 5443412401.

It is not a de Polignac number, because 1042143445 - 2³ = 1042143437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 782902 + ... + 784231.

It is an arithmetic number, because the mean of its divisors is an integer number (94028040).

Almost surely, 2^1042143445 is an apocalyptic number.

It is an amenable number.

1042143445 is a deficient number, since it is larger than the sum of its proper divisors (462305195).

1042143445 is a wasteful number, since it uses less digits than its factorization.

1042143445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567164.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1042143445 is about 32282.2465915865. The cubic root of 1042143445 is about 1013.8549683190.

Adding to 1042143445 its reverse (5443412401), we get a palindrome (6485555846).

The spelling of 1042143445 in words is "one billion, forty-two million, one hundred forty-three thousand, four hundred forty-five".