143953 has 2 divisors, whose sum is σ = 143954. Its totient is φ = 143952.

The previous prime is 143947. The next prime is 143971. The reversal of 143953 is 359341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82944 + 61009 = 288^2 + 247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143953 is a prime.

It is not a weakly prime, because it can be changed into another prime (143053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71976 + 71977.

It is an arithmetic number, because the mean of its divisors is an integer number (71977).

2¹⁴³⁹⁵³ is an apocalyptic number.

It is an amenable number.

143953 is a deficient number, since it is larger than the sum of its proper divisors (1).

143953 is an equidigital number, since it uses as much as digits as its factorization.

143953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 25.

The square root of 143953 is about 379.4113862287. The cubic root of 143953 is about 52.4091247245.

It can be divided in two parts, 1439 and 53, that multiplied together give a palindrome (76267).

The spelling of 143953 in words is "one hundred forty-three thousand, nine hundred fifty-three".