144907 has 8 divisors (see below), whose sum is σ = 167936. Its totient is φ = 122472.

The previous prime is 144899. The next prime is 144917. The reversal of 144907 is 709441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144907 - 2³ = 144899 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (144917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808 + ... + 970.

It is an arithmetic number, because the mean of its divisors is an integer number (20992).

2¹⁴⁴⁹⁰⁷ is an apocalyptic number.

144907 is a deficient number, since it is larger than the sum of its proper divisors (23029).

144907 is a wasteful number, since it uses less digits than its factorization.

144907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 144907 is about 380.6665207238. Note that the first 3 decimals coincide. The cubic root of 144907 is about 52.5246445142.

The spelling of 144907 in words is "one hundred forty-four thousand, nine hundred seven".