201440153 has 2 divisors, whose sum is σ = 201440154. Its totient is φ = 201440152.

The previous prime is 201440143. The next prime is 201440159. The reversal of 201440153 is 351044102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185695129 + 15745024 = 13627^2 + 3968^2 .

It is a cyclic number.

It is not a de Polignac number, because 201440153 - 2⁸ = 201439897 is a prime.

It is not a weakly prime, because it can be changed into another prime (201440159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100720076 + 100720077.

It is an arithmetic number, because the mean of its divisors is an integer number (100720077).

Almost surely, 2^201440153 is an apocalyptic number.

It is an amenable number.

201440153 is a deficient number, since it is larger than the sum of its proper divisors (1).

201440153 is an equidigital number, since it uses as much as digits as its factorization.

201440153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 201440153 is about 14192.9613893648. The cubic root of 201440153 is about 586.2038695114.

Adding to 201440153 its reverse (351044102), we get a palindrome (552484255).

The spelling of 201440153 in words is "two hundred one million, four hundred forty thousand, one hundred fifty-three".