2145204513130 has 32 divisors (see below), whose sum is σ = 4413075851520. Its totient is φ = 735484738560.

The previous prime is 2145204513121. The next prime is 2145204513191. The reversal of 2145204513130 is 313154025412.

It is a junction number, because it is equal to n+sod(n) for n = 2145204513092 and 2145204513101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3842826 + ... + 4365514.

It is an arithmetic number, because the mean of its divisors is an integer number (137908620360).

Almost surely, 2^{2145204513130} is an apocalyptic number.

2145204513130 is an abundant number, since it is smaller than the sum of its proper divisors (2267871338390).

2145204513130 is a wasteful number, since it uses less digits than its factorization.

2145204513130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581334.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 2145204513130 its reverse (313154025412), we get a palindrome (2458358538542).

The spelling of 2145204513130 in words is "two trillion, one hundred forty-five billion, two hundred four million, five hundred thirteen thousand, one hundred thirty".