144202973 has 2 divisors, whose sum is σ = 144202974. Its totient is φ = 144202972.

The previous prime is 144202969. The next prime is 144202991. The reversal of 144202973 is 379202441.

144202973 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 can be written as a sum of positive squares in only one way, i.e., 82391929 + 61811044 = 9077^2 + 7862^2 .

It is a cyclic number.

It is not a de Polignac number, because 144202973 - 2² = 144202969 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144202943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72101486 + 72101487.

It is an arithmetic number, because the mean of its divisors is an integer number (72101487).

Almost surely, 2^144202973 is an apocalyptic number.

It is an amenable number.

144202973 is a deficient number, since it is larger than the sum of its proper divisors (1).

144202973 is an equidigital number, since it uses as much as digits as its factorization.

144202973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 144202973 is about 12008.4542302496. The cubic root of 144202973 is about 524.3944316239.

The spelling of 144202973 in words is "one hundred forty-four million, two hundred two thousand, nine hundred seventy-three".