144348731 has 2 divisors, whose sum is σ = 144348732. Its totient is φ = 144348730.

The previous prime is 144348727. The next prime is 144348749. The reversal of 144348731 is 137843441.

144348731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144348731 - 2² = 144348727 is a prime.

It is a super-2 number, since 2×144348731² = 41673112282620722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 144348691 and 144348700.

It is not a weakly prime, because it can be changed into another prime (144348761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72174365 + 72174366.

It is an arithmetic number, because the mean of its divisors is an integer number (72174366).

Almost surely, 2^144348731 is an apocalyptic number.

144348731 is a deficient number, since it is larger than the sum of its proper divisors (1).

144348731 is an equidigital number, since it uses as much as digits as its factorization.

144348731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 35.

The square root of 144348731 is about 12014.5216717104. The cubic root of 144348731 is about 524.5710552248.

The spelling of 144348731 in words is "one hundred forty-four million, three hundred forty-eight thousand, seven hundred thirty-one".