1045445105 has 16 divisors (see below), whose sum is σ = 1321329024. Its totient is φ = 792506880.

The previous prime is 1045445069. The next prime is 1045445117. The reversal of 1045445105 is 5015445401.

It is not a de Polignac number, because 1045445105 - 2²⁴ = 1028667889 is a prime.

It is a super-2 number, since 2×1045445105² = 2185910935136922050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30176 + ... + 54785.

It is an arithmetic number, because the mean of its divisors is an integer number (82583064).

Almost surely, 2^1045445105 is an apocalyptic number.

It is an amenable number.

1045445105 is a deficient number, since it is larger than the sum of its proper divisors (275883919).

1045445105 is a wasteful number, since it uses less digits than its factorization.

1045445105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85096.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 1045445105 is about 32333.3435481084. The cubic root of 1045445105 is about 1014.9245189649.

The spelling of 1045445105 in words is "one billion, forty-five million, four hundred forty-five thousand, one hundred five".