1045735645 has 16 divisors (see below), whose sum is σ = 1273512240. Its totient is φ = 824256000.

The previous prime is 1045735643. The next prime is 1045735651. The reversal of 1045735645 is 5465375401.

It can be written as a sum of positive squares in 8 ways, for example, as 13205956 + 1032529689 = 3634^2 + 32133^2 .

It is not a de Polignac number, because 1045735645 - 2¹ = 1045735643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1045735598 and 1045735607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045735643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93345 + ... + 103945.

It is an arithmetic number, because the mean of its divisors is an integer number (79594515).

Almost surely, 2^1045735645 is an apocalyptic number.

It is an amenable number.

1045735645 is a deficient number, since it is larger than the sum of its proper divisors (227776595).

1045735645 is a wasteful number, since it uses less digits than its factorization.

1045735645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10896.

The product of its (nonzero) digits is 252000, while the sum is 40.

The square root of 1045735645 is about 32337.8361211755. The cubic root of 1045735645 is about 1015.0185295945.

The spelling of 1045735645 in words is "one billion, forty-five million, seven hundred thirty-five thousand, six hundred forty-five".