1044145541 has 4 divisors (see below), whose sum is σ = 1048828032. Its totient is φ = 1039463052.

The previous prime is 1044145523. The next prime is 1044145567. The reversal of 1044145541 is 1455414401.

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 a cyclic number.

It is not a de Polignac number, because 1044145541 - 2⁶ = 1044145477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044145591) 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, 2340911 + ... + 2341356.

It is an arithmetic number, because the mean of its divisors is an integer number (262207008).

Almost surely, 2^1044145541 is an apocalyptic number.

It is an amenable number.

1044145541 is a deficient number, since it is larger than the sum of its proper divisors (4682491).

1044145541 is an equidigital number, since it uses as much as digits as its factorization.

1044145541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4682490.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 1044145541 is about 32313.2409547541. The cubic root of 1044145541 is about 1014.5038030231.

Adding to 1044145541 its reverse (1455414401), we get a palindrome (2499559942).

The spelling of 1044145541 in words is "one billion, forty-four million, one hundred forty-five thousand, five hundred forty-one".