2145320230425 has 24 divisors (see below), whose sum is σ = 3733609947360. Its totient is φ = 1083951273600.

The previous prime is 2145320230411. The next prime is 2145320230447. The reversal of 2145320230425 is 5240320235412.

It is not a de Polignac number, because 2145320230425 - 2⁴ = 2145320230409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 752742516 + ... + 752745365.

It is an arithmetic number, because the mean of its divisors is an integer number (155567081140).

Almost surely, 2^{2145320230425} is an apocalyptic number.

2145320230425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2145320230425 is a deficient number, since it is larger than the sum of its proper divisors (1588289716935).

2145320230425 is a wasteful number, since it uses less digits than its factorization.

2145320230425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505487913 (or 1505487908 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 2145320230425 its reverse (5240320235412), we get a palindrome (7385640465837).

The spelling of 2145320230425 in words is "two trillion, one hundred forty-five billion, three hundred twenty million, two hundred thirty thousand, four hundred twenty-five".