1042445361 has 4 divisors (see below), whose sum is σ = 1389927152. Its totient is φ = 694963572.

The previous prime is 1042445357. The next prime is 1042445407. The reversal of 1042445361 is 1635442401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1042445361 - 2² = 1042445357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042445311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173740891 + ... + 173740896.

It is an arithmetic number, because the mean of its divisors is an integer number (347481788).

Almost surely, 2^1042445361 is an apocalyptic number.

It is an amenable number.

1042445361 is a deficient number, since it is larger than the sum of its proper divisors (347481791).

1042445361 is an equidigital number, since it uses as much as digits as its factorization.

1042445361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347481790.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1042445361 is about 32286.9224454732. The cubic root of 1042445361 is about 1013.9528657448.

Adding to 1042445361 its reverse (1635442401), we get a palindrome (2677887762).

The spelling of 1042445361 in words is "one billion, forty-two million, four hundred forty-five thousand, three hundred sixty-one".