144201551 has 8 divisors (see below), whose sum is σ = 159082224. Its totient is φ = 129862080.

The previous prime is 144201503. The next prime is 144201587. The reversal of 144201551 is 155102441.

144201551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144201551 - 2¹⁸ = 143939407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144201451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134741 + ... + 135806.

It is an arithmetic number, because the mean of its divisors is an integer number (19885278).

Almost surely, 2^144201551 is an apocalyptic number.

144201551 is a deficient number, since it is larger than the sum of its proper divisors (14880673).

144201551 is a wasteful number, since it uses less digits than its factorization.

144201551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270601.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 144201551 is about 12008.3950218170. The cubic root of 144201551 is about 524.3927079162.

Adding to 144201551 its reverse (155102441), we get a palindrome (299303992).

The spelling of 144201551 in words is "one hundred forty-four million, two hundred one thousand, five hundred fifty-one".