1000000045 has 32 divisors (see below), whose sum is σ = 1372339584. Its totient is φ = 692966400.

The previous prime is 1000000033. The next prime is 1000000087. The reversal of 1000000045 is 5400000001.

It is not a de Polignac number, because 1000000045 - 2²³ = 991611437 is a prime.

1000000045 is a modest number, since divided by 45 gives 10 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 999999968 and 1000000040.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 91809 + ... + 102121.

It is an arithmetic number, because the mean of its divisors is an integer number (42885612).

Almost surely, 2^1000000045 is an apocalyptic number.

It is an amenable number.

1000000045 is a deficient number, since it is larger than the sum of its proper divisors (372339539).

1000000045 is a wasteful number, since it uses less digits than its factorization.

1000000045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10413.

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 1000000045 is about 31622.7773131963. Note that the first 3 decimals coincide. The cubic root of 1000000045 is about 1000.0000150000. Note that the first 4 decimals are identical.

Adding to 1000000045 its reverse (5400000001), we get a palindrome (6400000046).

The spelling of 1000000045 in words is "one billion, forty-five", and thus it is an aban number and an uban number.