1020430524145 has 4 divisors (see below), whose sum is σ = 1224516628980. Its totient is φ = 816344419312.

The previous prime is 1020430524119. The next prime is 1020430524199. The reversal of 1020430524145 is 5414250340201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 139302872289 + 881127651856 = 373233^2 + 938684^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020430524145 - 2⁹ = 1020430523633 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102043052410 + ... + 102043052419.

It is an arithmetic number, because the mean of its divisors is an integer number (306129157245).

Almost surely, 2^{1020430524145} is an apocalyptic number.

It is an amenable number.

1020430524145 is a deficient number, since it is larger than the sum of its proper divisors (204086104835).

1020430524145 is an equidigital number, since it uses as much as digits as its factorization.

1020430524145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204086104834.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 1020430524145 its reverse (5414250340201), we get a palindrome (6434680864346).

The spelling of 1020430524145 in words is "one trillion, twenty billion, four hundred thirty million, five hundred twenty-four thousand, one hundred forty-five".