145800275 has 12 divisors (see below), whose sum is σ = 183340944. Its totient is φ = 114996000.

The previous prime is 145800271. The next prime is 145800293. The reversal of 145800275 is 572008541.

It is not a de Polignac number, because 145800275 - 2² = 145800271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145800271) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 39296 + ... + 42845.

It is an arithmetic number, because the mean of its divisors is an integer number (15278412).

Almost surely, 2^145800275 is an apocalyptic number.

145800275 is a deficient number, since it is larger than the sum of its proper divisors (37540669).

145800275 is an equidigital number, since it uses as much as digits as its factorization.

145800275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82222 (or 82217 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 145800275 is about 12074.7784658767. The cubic root of 145800275 is about 526.3235237855.

The spelling of 145800275 in words is "one hundred forty-five million, eight hundred thousand, two hundred seventy-five".