145255163 has 4 divisors (see below), whose sum is σ = 145807728. Its totient is φ = 144702600.

The previous prime is 145255153. The next prime is 145255177. The reversal of 145255163 is 361552541.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 145255163 - 2⁴ = 145255147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145255153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275888 + ... + 276413.

It is an arithmetic number, because the mean of its divisors is an integer number (36451932).

Almost surely, 2^145255163 is an apocalyptic number.

145255163 is a deficient number, since it is larger than the sum of its proper divisors (552565).

145255163 is an equidigital number, since it uses as much as digits as its factorization.

145255163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552564.

The product of its digits is 18000, while the sum is 32.

The square root of 145255163 is about 12052.1849886234. The cubic root of 145255163 is about 525.6667724642. Note that the first 3 decimals are identical.

The spelling of 145255163 in words is "one hundred forty-five million, two hundred fifty-five thousand, one hundred sixty-three".