1045441161 has 24 divisors (see below), whose sum is σ = 1648439520. Its totient is φ = 660275712.

The previous prime is 1045441157. The next prime is 1045441181. The reversal of 1045441161 is 1611445401.

1045441161 is a `hidden beast` number, since 1 + 0 + 4 + 544 + 116 + 1 = 666.

It is not a de Polignac number, because 1045441161 - 2² = 1045441157 is a prime.

It is a super-2 number, since 2×1045441161² = 2185894442226055842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1045441181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108600 + ... + 117833.

It is an arithmetic number, because the mean of its divisors is an integer number (68684980).

Almost surely, 2^1045441161 is an apocalyptic number.

It is an amenable number.

1045441161 is a deficient number, since it is larger than the sum of its proper divisors (602998359).

1045441161 is an equidigital number, since it uses as much as digits as its factorization.

1045441161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226467 (or 226455 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 1045441161 is about 32333.2825583794. The cubic root of 1045441161 is about 1014.9232426768.

Adding to 1045441161 its reverse (1611445401), we get a palindrome (2656886562).

It can be divided in two parts, 10454 and 41161, that added together give a palindrome (51615).

The spelling of 1045441161 in words is "one billion, forty-five million, four hundred forty-one thousand, one hundred sixty-one".