2145142552426 has 8 divisors (see below), whose sum is σ = 3219777793440. Its totient is φ = 1071883287948.

The previous prime is 2145142552373. The next prime is 2145142552451. The reversal of 2145142552426 is 6242552415412.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343990236 + ... + 343996471.

It is an arithmetic number, because the mean of its divisors is an integer number (402472224180).

Almost surely, 2^{2145142552426} is an apocalyptic number.

2145142552426 is a deficient number, since it is larger than the sum of its proper divisors (1074635241014).

2145142552426 is a wasteful number, since it uses less digits than its factorization.

2145142552426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687988268.

The product of its digits is 768000, while the sum is 43.

Adding to 2145142552426 its reverse (6242552415412), we get a palindrome (8387694967838).

The spelling of 2145142552426 in words is "two trillion, one hundred forty-five billion, one hundred forty-two million, five hundred fifty-two thousand, four hundred twenty-six".