7145615247244 has 24 divisors (see below), whose sum is σ = 12843148872960. Its totient is φ = 3476149462656.

The previous prime is 7145615247227. The next prime is 7145615247259. The reversal of 7145615247244 is 4427425165417.

It is a junction number, because it is equal to n+sod(n) for n = 7145615247191 and 7145615247200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4879317 + ... + 6172435.

It is an arithmetic number, because the mean of its divisors is an integer number (535131203040).

Almost surely, 2^{7145615247244} is an apocalyptic number.

7145615247244 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

7145615247244 is a deficient number, since it is larger than the sum of its proper divisors (5697533625716).

7145615247244 is a wasteful number, since it uses less digits than its factorization.

7145615247244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330497 (or 1330495 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 52.

The spelling of 7145615247244 in words is "seven trillion, one hundred forty-five billion, six hundred fifteen million, two hundred forty-seven thousand, two hundred forty-four".