144545203387 has 4 divisors (see below), whose sum is σ = 155664065200. Its totient is φ = 133426341576.

The previous prime is 144545203331. The next prime is 144545203393. The reversal of 144545203387 is 783302545441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144545203387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144545243387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5559430887 + ... + 5559430912.

It is an arithmetic number, because the mean of its divisors is an integer number (38916016300).

Almost surely, 2^144545203387 is an apocalyptic number.

144545203387 is a deficient number, since it is larger than the sum of its proper divisors (11118861813).

144545203387 is a wasteful number, since it uses less digits than its factorization.

144545203387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11118861812.

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 144545203387 in words is "one hundred forty-four billion, five hundred forty-five million, two hundred three thousand, three hundred eighty-seven".