144734449 has 2 divisors, whose sum is σ = 144734450. Its totient is φ = 144734448.

The previous prime is 144734441. The next prime is 144734453. The reversal of 144734449 is 944437441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144000000 + 734449 = 12000^2 + 857^2 .

It is a cyclic number.

It is not a de Polignac number, because 144734449 - 2³ = 144734441 is a prime.

It is not a weakly prime, because it can be changed into another prime (144734441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72367224 + 72367225.

It is an arithmetic number, because the mean of its divisors is an integer number (72367225).

Almost surely, 2^144734449 is an apocalyptic number.

It is an amenable number.

144734449 is a deficient number, since it is larger than the sum of its proper divisors (1).

144734449 is an equidigital number, since it uses as much as digits as its factorization.

144734449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 40.

The square root of 144734449 is about 12030.5631206523. The cubic root of 144734449 is about 525.0378796554.

It can be divided in two parts, 144 and 734449, that multiplied together give a square (105760656 = 10284²).

The spelling of 144734449 in words is "one hundred forty-four million, seven hundred thirty-four thousand, four hundred forty-nine".