144170213137 has 8 divisors (see below), whose sum is σ = 147033792360. Its totient is φ = 141322767360.

The previous prime is 144170213081. The next prime is 144170213189. The reversal of 144170213137 is 731312071441.

It can be written as a sum of positive squares in 4 ways, for example, as 24952625296 + 119217587841 = 157964^2 + 345279^2 .

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 144170213137 - 2²³ = 144161824529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144170210137) 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, 4015312 + ... + 4051057.

It is an arithmetic number, because the mean of its divisors is an integer number (18379224045).

Almost surely, 2^144170213137 is an apocalyptic number.

It is an amenable number.

144170213137 is a deficient number, since it is larger than the sum of its proper divisors (2863579223).

144170213137 is an equidigital number, since it uses as much as digits as its factorization.

144170213137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8066723.

The product of its (nonzero) digits is 14112, while the sum is 34.

Adding to 144170213137 its reverse (731312071441), we get a palindrome (875482284578).

The spelling of 144170213137 in words is "one hundred forty-four billion, one hundred seventy million, two hundred thirteen thousand, one hundred thirty-seven".