144455680137 has 8 divisors (see below), whose sum is σ = 193471285504. Its totient is φ = 95871930768.

The previous prime is 144455680091. The next prime is 144455680139. The reversal of 144455680137 is 731086554441.

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

It is not a de Polignac number, because 144455680137 - 2⁶ = 144455680073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144455680139) 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, 107963218 + ... + 107964555.

It is an arithmetic number, because the mean of its divisors is an integer number (24183910688).

Almost surely, 2^144455680137 is an apocalyptic number.

It is an amenable number.

144455680137 is a deficient number, since it is larger than the sum of its proper divisors (49015605367).

144455680137 is a wasteful number, since it uses less digits than its factorization.

144455680137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215927999.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 144455680137 in words is "one hundred forty-four billion, four hundred fifty-five million, six hundred eighty thousand, one hundred thirty-seven".