1020334145 has 8 divisors (see below), whose sum is σ = 1227871656. Its totient is φ = 813953536.

The previous prime is 1020334127. The next prime is 1020334151. The reversal of 1020334145 is 5414330201.

It can be written as a sum of positive squares in 4 ways, for example, as 153561664 + 866772481 = 12392^2 + 29441^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1020334145 - 2¹⁰ = 1020333121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020334145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287282 + ... + 290811.

It is an arithmetic number, because the mean of its divisors is an integer number (153483957).

Almost surely, 2^1020334145 is an apocalyptic number.

It is an amenable number.

1020334145 is a deficient number, since it is larger than the sum of its proper divisors (207537511).

1020334145 is an equidigital number, since it uses as much as digits as its factorization.

1020334145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578451.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1020334145 is about 31942.6696598766. The cubic root of 1020334145 is about 1006.7326184563.

Adding to 1020334145 its reverse (5414330201), we get a palindrome (6434664346).

The spelling of 1020334145 in words is "one billion, twenty million, three hundred thirty-four thousand, one hundred forty-five".