145872875 has 16 divisors (see below), whose sum is σ = 186496128. Its totient is φ = 113848000.

The previous prime is 145872821. The next prime is 145872889. The reversal of 145872875 is 578278541.

It is not a de Polignac number, because 145872875 - 2⁸ = 145872619 is a prime.

It is a Duffinian number.

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, 9107 + ... + 19356.

It is an arithmetic number, because the mean of its divisors is an integer number (11656008).

Almost surely, 2^145872875 is an apocalyptic number.

145872875 is a deficient number, since it is larger than the sum of its proper divisors (40623253).

145872875 is an equidigital number, since it uses as much as digits as its factorization.

145872875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28519 (or 28509 counting only the distinct ones).

The product of its digits is 627200, while the sum is 47.

The square root of 145872875 is about 12077.7843580683. The cubic root of 145872875 is about 526.4108687220.

The spelling of 145872875 in words is "one hundred forty-five million, eight hundred seventy-two thousand, eight hundred seventy-five".