144455943 has 4 divisors (see below), whose sum is σ = 192607928. Its totient is φ = 96303960.

The previous prime is 144455903. The next prime is 144455981. The reversal of 144455943 is 349554441.

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

It is not a de Polignac number, because 144455943 - 2¹⁸ = 144193799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144455903) 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, 24075988 + ... + 24075993.

It is an arithmetic number, because the mean of its divisors is an integer number (48151982).

Almost surely, 2^144455943 is an apocalyptic number.

144455943 is a deficient number, since it is larger than the sum of its proper divisors (48151985).

144455943 is an equidigital number, since it uses as much as digits as its factorization.

144455943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48151984.

The product of its digits is 172800, while the sum is 39.

The square root of 144455943 is about 12018.9826108535. The cubic root of 144455943 is about 524.7008944771.

The spelling of 144455943 in words is "one hundred forty-four million, four hundred fifty-five thousand, nine hundred forty-three".