5145122426 has 4 divisors (see below), whose sum is σ = 7717683642. Its totient is φ = 2572561212.

The previous prime is 5145122419. The next prime is 5145122447. The reversal of 5145122426 is 6242215415.

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

It can be written as a sum of positive squares in only one way, i.e., 5126416801 + 18705625 = 71599^2 + 4325^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5145122392 and 5145122401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286280605 + ... + 1286280608.

Almost surely, 2^5145122426 is an apocalyptic number.

5145122426 is a deficient number, since it is larger than the sum of its proper divisors (2572561216).

5145122426 is a wasteful number, since it uses less digits than its factorization.

5145122426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572561215.

The product of its digits is 19200, while the sum is 32.

The square root of 5145122426 is about 71729.5087533715. The cubic root of 5145122426 is about 1726.3621448243.

The spelling of 5145122426 in words is "five billion, one hundred forty-five million, one hundred twenty-two thousand, four hundred twenty-six".