7145404875 has 160 divisors (see below), whose sum is σ = 15335768448. Its totient is φ = 3242592000.

The previous prime is 7145404867. The next prime is 7145404913. The reversal of 7145404875 is 5784045417.

It is not a de Polignac number, because 7145404875 - 2³ = 7145404867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 7145404875.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 12828097 + ... + 12828653.

Almost surely, 2^7145404875 is an apocalyptic number.

7145404875 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7145404875 is an abundant number, since it is smaller than the sum of its proper divisors (8190363573).

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

7145404875 is a wasteful number, since it uses less digits than its factorization.

7145404875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 45.

The square root of 7145404875 is about 84530.4967156824. The cubic root of 7145404875 is about 1926.0857314736.

The spelling of 7145404875 in words is "seven billion, one hundred forty-five million, four hundred four thousand, eight hundred seventy-five".