144540201 has 32 divisors (see below), whose sum is σ = 220631040. Its totient is φ = 83433024.

The previous prime is 144540199. The next prime is 144540203. The reversal of 144540201 is 102045441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (144540199) and next prime (144540203).

It is not a de Polignac number, because 144540201 - 2¹ = 144540199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144540203) 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 in 31 ways as a sum of consecutive naturals, for example, 78376 + ... + 80198.

It is an arithmetic number, because the mean of its divisors is an integer number (6894720).

Almost surely, 2^144540201 is an apocalyptic number.

It is an amenable number.

144540201 is a deficient number, since it is larger than the sum of its proper divisors (76090839).

144540201 is a wasteful number, since it uses less digits than its factorization.

144540201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 144540201 is about 12022.4873050463. The cubic root of 144540201 is about 524.8028901773.

Adding to 144540201 its reverse (102045441), we get a palindrome (246585642).

The spelling of 144540201 in words is "one hundred forty-four million, five hundred forty thousand, two hundred one".