144475875 has 48 divisors (see below), whose sum is σ = 262342080. Its totient is φ = 76492800.

The previous prime is 144475853. The next prime is 144475897. The reversal of 144475875 is 578574441.

It is an interprime number because it is at equal distance from previous prime (144475853) and next prime (144475897).

It is not a de Polignac number, because 144475875 - 2⁹ = 144475363 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 144475875.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 187491 + ... + 188259.

It is an arithmetic number, because the mean of its divisors is an integer number (5465460).

Almost surely, 2^144475875 is an apocalyptic number.

144475875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144475875 is a deficient number, since it is larger than the sum of its proper divisors (117866205).

144475875 is a wasteful number, since it uses less digits than its factorization.

144475875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957 (or 944 counting only the distinct ones).

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

The square root of 144475875 is about 12019.8117705728. The cubic root of 144475875 is about 524.7250260729.

The spelling of 144475875 in words is "one hundred forty-four million, four hundred seventy-five thousand, eight hundred seventy-five".