144734531 has 2 divisors, whose sum is σ = 144734532. Its totient is φ = 144734530.

The previous prime is 144734509. The next prime is 144734537. The reversal of 144734531 is 135437441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144734531 - 2¹⁸ = 144472387 is a prime.

It is a super-2 number, since 2×144734531² = 41896168927579922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144734537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72367265 + 72367266.

It is an arithmetic number, because the mean of its divisors is an integer number (72367266).

Almost surely, 2^144734531 is an apocalyptic number.

144734531 is a deficient number, since it is larger than the sum of its proper divisors (1).

144734531 is an equidigital number, since it uses as much as digits as its factorization.

144734531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 32.

The square root of 144734531 is about 12030.5665286386. The cubic root of 144734531 is about 525.0379788096.

The spelling of 144734531 in words is "one hundred forty-four million, seven hundred thirty-four thousand, five hundred thirty-one".