1042442445 has 32 divisors (see below), whose sum is σ = 1822487040. Its totient is φ = 504607040.

The previous prime is 1042442441. The next prime is 1042442447. The reversal of 1042442445 is 5442442401.

1042442445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1042442445 - 2² = 1042442441 is a prime.

It is a super-2 number, since 2×1042442445² = 2173372502275156050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042442441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103942 + ... + 113528.

It is an arithmetic number, because the mean of its divisors is an integer number (56952720).

Almost surely, 2^1042442445 is an apocalyptic number.

1042442445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1042442445 is a deficient number, since it is larger than the sum of its proper divisors (780044595).

1042442445 is a wasteful number, since it uses less digits than its factorization.

1042442445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10265.

The product of its (nonzero) digits is 20480, while the sum is 30.

The square root of 1042442445 is about 32286.8772878394. The cubic root of 1042442445 is about 1013.9519203109.

Adding to 1042442445 its reverse (5442442401), we get a palindrome (6484884846).

The spelling of 1042442445 in words is "one billion, forty-two million, four hundred forty-two thousand, four hundred forty-five".