145490875 has 16 divisors (see below), whose sum is σ = 181935936. Its totient is φ = 116160000.

The previous prime is 145490869. The next prime is 145490929. The reversal of 145490875 is 578094541.

It is not a de Polignac number, because 145490875 - 2³ = 145490867 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 90075 + ... + 91675.

It is an arithmetic number, because the mean of its divisors is an integer number (11370996).

Almost surely, 2^145490875 is an apocalyptic number.

145490875 is a deficient number, since it is larger than the sum of its proper divisors (36445061).

145490875 is an equidigital number, since it uses as much as digits as its factorization.

145490875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343 (or 2333 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 145490875 is about 12061.9598324650. The cubic root of 145490875 is about 525.9509597328.

It can be divided in two parts, 1454 and 90875, that added together give a palindrome (92329).

The spelling of 145490875 in words is "one hundred forty-five million, four hundred ninety thousand, eight hundred seventy-five".