1045441305 has 24 divisors (see below), whose sum is σ = 1819169352. Its totient is φ = 555393024.

The previous prime is 1045441301. The next prime is 1045441321. The reversal of 1045441305 is 5031445401.

It is a happy number.

1045441305 is a `hidden beast` number, since 104 + 544 + 13 + 0 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 85433049 + 960008256 = 9243^2 + 30984^2 .

It is not a de Polignac number, because 1045441305 - 2² = 1045441301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045441301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33634 + ... + 56763.

It is an arithmetic number, because the mean of its divisors is an integer number (75798723).

Almost surely, 2^1045441305 is an apocalyptic number.

1045441305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1045441305 is a deficient number, since it is larger than the sum of its proper divisors (773728047).

1045441305 is a wasteful number, since it uses less digits than its factorization.

1045441305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90665 (or 90662 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1045441305 is about 32333.2847851869. The cubic root of 1045441305 is about 1014.9232892757.

Adding to 1045441305 its reverse (5031445401), we get a palindrome (6076886706).

The spelling of 1045441305 in words is "one billion, forty-five million, four hundred forty-one thousand, three hundred five".