1020050045 has 16 divisors (see below), whose sum is σ = 1401798528. Its totient is φ = 698026560.

The previous prime is 1020050041. The next prime is 1020050063. The reversal of 1020050045 is 5400500201.

It is not a de Polignac number, because 1020050045 - 2² = 1020050041 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020050041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12494 + ... + 46863.

It is an arithmetic number, because the mean of its divisors is an integer number (87612408).

Almost surely, 2^1020050045 is an apocalyptic number.

It is an amenable number.

1020050045 is a deficient number, since it is larger than the sum of its proper divisors (381748483).

1020050045 is an equidigital number, since it uses as much as digits as its factorization.

1020050045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59860.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 1020050045 is about 31938.2223205989. Note that the first 3 decimals coincide. The cubic root of 1020050045 is about 1006.6391721776.

Adding to 1020050045 its reverse (5400500201), we get a palindrome (6420550246).

The spelling of 1020050045 in words is "one billion, twenty million, fifty thousand, forty-five".