1045136305 has 8 divisors (see below), whose sum is σ = 1254432744. Its totient is φ = 835929600.

The previous prime is 1045136291. The next prime is 1045136311. The reversal of 1045136305 is 5036315401.

It can be written as a sum of positive squares in 4 ways, for example, as 43983424 + 1001152881 = 6632^2 + 31641^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1045136305 - 2⁵ = 1045136273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6615 + ... + 46195.

It is an arithmetic number, because the mean of its divisors is an integer number (156804093).

Almost surely, 2^1045136305 is an apocalyptic number.

It is an amenable number.

1045136305 is a deficient number, since it is larger than the sum of its proper divisors (209296439).

1045136305 is an equidigital number, since it uses as much as digits as its factorization.

1045136305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44867.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 1045136305 is about 32328.5679392082. The cubic root of 1045136305 is about 1014.8245808132.

The spelling of 1045136305 in words is "one billion, forty-five million, one hundred thirty-six thousand, three hundred five".