144873347 has 4 divisors (see below), whose sum is σ = 152498280. Its totient is φ = 137248416.

The previous prime is 144873331. The next prime is 144873349. The reversal of 144873347 is 743378441.

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 144873347 - 2⁴ = 144873331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144873349) 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, 3812438 + ... + 3812475.

It is an arithmetic number, because the mean of its divisors is an integer number (38124570).

Almost surely, 2^144873347 is an apocalyptic number.

144873347 is a deficient number, since it is larger than the sum of its proper divisors (7624933).

144873347 is an equidigital number, since it uses as much as digits as its factorization.

144873347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7624932.

The product of its digits is 225792, while the sum is 41.

The square root of 144873347 is about 12036.3344503217. The cubic root of 144873347 is about 525.2057811598.

The spelling of 144873347 in words is "one hundred forty-four million, eight hundred seventy-three thousand, three hundred forty-seven".