144373947 has 4 divisors (see below), whose sum is σ = 192498600. Its totient is φ = 96249296.

The previous prime is 144373939. The next prime is 144373949. The reversal of 144373947 is 749373441.

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 144373947 - 2³ = 144373939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144373899 and 144373908.

It is not an unprimeable number, because it can be changed into a prime (144373949) 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, 24062322 + ... + 24062327.

It is an arithmetic number, because the mean of its divisors is an integer number (48124650).

Almost surely, 2^144373947 is an apocalyptic number.

144373947 is a deficient number, since it is larger than the sum of its proper divisors (48124653).

144373947 is an equidigital number, since it uses as much as digits as its factorization.

144373947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48124652.

The product of its digits is 254016, while the sum is 42.

The square root of 144373947 is about 12015.5710226356. The cubic root of 144373947 is about 524.6015988799.

The spelling of 144373947 in words is "one hundred forty-four million, three hundred seventy-three thousand, nine hundred forty-seven".