1045561106 has 16 divisors (see below), whose sum is σ = 1595742360. Its totient is φ = 513665280.

The previous prime is 1045561103. The next prime is 1045561147. The reversal of 1045561106 is 6011655401.

It can be written as a sum of positive squares in 4 ways, for example, as 640545481 + 405015625 = 25309^2 + 20125^2 .

It is not an unprimeable number, because it can be changed into a prime (1045561103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126410 + ... + 134426.

Almost surely, 2^1045561106 is an apocalyptic number.

1045561106 is a deficient number, since it is larger than the sum of its proper divisors (550181254).

1045561106 is a wasteful number, since it uses less digits than its factorization.

1045561106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9149.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 1045561106 is about 32335.1373276812. The cubic root of 1045561106 is about 1014.9620557373.

The spelling of 1045561106 in words is "one billion, forty-five million, five hundred sixty-one thousand, one hundred six".