144200169931 has 4 divisors (see below), whose sum is σ = 144237794472. Its totient is φ = 144162545392.

The previous prime is 144200169877. The next prime is 144200169947. The reversal of 144200169931 is 139961002441.

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

It is a cyclic number.

It is not a de Polignac number, because 144200169931 - 2¹³ = 144200161739 is a prime.

It is a super-2 number, since 2×144200169931² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144200169991) 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, 18806521 + ... + 18814186.

It is an arithmetic number, because the mean of its divisors is an integer number (36059448618).

Almost surely, 2^144200169931 is an apocalyptic number.

144200169931 is a deficient number, since it is larger than the sum of its proper divisors (37624541).

144200169931 is an equidigital number, since it uses as much as digits as its factorization.

144200169931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37624540.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 144200169931 in words is "one hundred forty-four billion, two hundred million, one hundred sixty-nine thousand, nine hundred thirty-one".