7145042872 has 64 divisors (see below), whose sum is σ = 15501974400. Its totient is φ = 3053232000.

The previous prime is 7145042867. The next prime is 7145042893. The reversal of 7145042872 is 2782405417.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 202722 + ... + 235342.

It is an arithmetic number, because the mean of its divisors is an integer number (242218350).

Almost surely, 2^7145042872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7145042872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7750987200).

7145042872 is an abundant number, since it is smaller than the sum of its proper divisors (8356931528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7145042872 is a wasteful number, since it uses less digits than its factorization.

7145042872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32788 (or 32784 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 40.

The square root of 7145042872 is about 84528.3554317721. The cubic root of 7145042872 is about 1926.0532042481.

The spelling of 7145042872 in words is "seven billion, one hundred forty-five million, forty-two thousand, eight hundred seventy-two".