144881953 has 2 divisors, whose sum is σ = 144881954. Its totient is φ = 144881952.

The previous prime is 144881929. The next prime is 144881977. The reversal of 144881953 is 359188441.

It is a balanced prime because it is at equal distance from previous prime (144881929) and next prime (144881977).

It can be written as a sum of positive squares in only one way, i.e., 126495009 + 18386944 = 11247^2 + 4288^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144881953 is a prime.

It is not a weakly prime, because it can be changed into another prime (144881903) 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, 72440976 + 72440977.

It is an arithmetic number, because the mean of its divisors is an integer number (72440977).

Almost surely, 2^144881953 is an apocalyptic number.

It is an amenable number.

144881953 is a deficient number, since it is larger than the sum of its proper divisors (1).

144881953 is an equidigital number, since it uses as much as digits as its factorization.

144881953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 43.

The square root of 144881953 is about 12036.6919458795. The cubic root of 144881953 is about 525.2161806606.

The spelling of 144881953 in words is "one hundred forty-four million, eight hundred eighty-one thousand, nine hundred fifty-three".