144747479 has 2 divisors, whose sum is σ = 144747480. Its totient is φ = 144747478.

The previous prime is 144747461. The next prime is 144747481. The reversal of 144747479 is 974747441.

It is a happy number.

144747479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (974747441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144747479 - 2²⁰ = 143698903 is a prime.

Together with 144747481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144747409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72373739 + 72373740.

It is an arithmetic number, because the mean of its divisors is an integer number (72373740).

Almost surely, 2^144747479 is an apocalyptic number.

144747479 is a deficient number, since it is larger than the sum of its proper divisors (1).

144747479 is an equidigital number, since it uses as much as digits as its factorization.

144747479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 790272, while the sum is 47.

The square root of 144747479 is about 12031.1046458752. The cubic root of 144747479 is about 525.0536350343.

The spelling of 144747479 in words is "one hundred forty-four million, seven hundred forty-seven thousand, four hundred seventy-nine".