144894895 has 4 divisors (see below), whose sum is σ = 173873880. Its totient is φ = 115915912.

The previous prime is 144894889. The next prime is 144894949. The reversal of 144894895 is 598498441.

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

It is a cyclic number.

It is not a de Polignac number, because 144894895 - 2³ = 144894887 is a prime.

It is a super-3 number, since 3×144894895³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14489485 + ... + 14489494.

It is an arithmetic number, because the mean of its divisors is an integer number (43468470).

Almost surely, 2^144894895 is an apocalyptic number.

144894895 is a deficient number, since it is larger than the sum of its proper divisors (28978985).

144894895 is an equidigital number, since it uses as much as digits as its factorization.

144894895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28978984.

The product of its digits is 1658880, while the sum is 52.

The square root of 144894895 is about 12037.2295400561. The cubic root of 144894895 is about 525.2318190137.

The spelling of 144894895 in words is "one hundred forty-four million, eight hundred ninety-four thousand, eight hundred ninety-five".