144747131 has 2 divisors, whose sum is σ = 144747132. Its totient is φ = 144747130.

The previous prime is 144747079. The next prime is 144747133. The reversal of 144747131 is 131747441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144747131 - 2⁶ = 144747067 is a prime.

It is a super-2 number, since 2×144747131² = 41903463865462322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 144747133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144747133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72373565 + 72373566.

It is an arithmetic number, because the mean of its divisors is an integer number (72373566).

Almost surely, 2^144747131 is an apocalyptic number.

144747131 is a deficient number, since it is larger than the sum of its proper divisors (1).

144747131 is an equidigital number, since it uses as much as digits as its factorization.

144747131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 32.

The square root of 144747131 is about 12031.0901833541. The cubic root of 144747131 is about 525.0532142583.

The spelling of 144747131 in words is "one hundred forty-four million, seven hundred forty-seven thousand, one hundred thirty-one".