2145142552425 has 48 divisors (see below), whose sum is σ = 3769118975232. Its totient is φ = 1072803916800.

The previous prime is 2145142552373. The next prime is 2145142552451. The reversal of 2145142552425 is 5242552415412.

It is not a de Polignac number, because 2145142552425 - 2⁶ = 2145142552361 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2758654 + ... + 3449703.

It is an arithmetic number, because the mean of its divisors is an integer number (78523311984).

Almost surely, 2^{2145142552425} is an apocalyptic number.

2145142552425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2145142552425 is a deficient number, since it is larger than the sum of its proper divisors (1623976422807).

2145142552425 is a wasteful number, since it uses less digits than its factorization.

2145142552425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6208658 (or 6208653 counting only the distinct ones).

The product of its digits is 640000, while the sum is 42.

Adding to 2145142552425 its reverse (5242552415412), we get a palindrome (7387694967837).

The spelling of 2145142552425 in words is "two trillion, one hundred forty-five billion, one hundred forty-two million, five hundred fifty-two thousand, four hundred twenty-five".