144680137 has 8 divisors (see below), whose sum is σ = 165670272. Its totient is φ = 123770400.

The previous prime is 144680113. The next prime is 144680141. The reversal of 144680137 is 731086441.

It is a happy number.

144680137 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 144680137 - 2⁷ = 144680009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144680167) 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, 16189 + ... + 23482.

It is an arithmetic number, because the mean of its divisors is an integer number (20708784).

Almost surely, 2^144680137 is an apocalyptic number.

It is an amenable number.

144680137 is a deficient number, since it is larger than the sum of its proper divisors (20990135).

144680137 is an equidigital number, since it uses as much as digits as its factorization.

144680137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40199.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 144680137 is about 12028.3056579054. The cubic root of 144680137 is about 524.9721974695.

The spelling of 144680137 in words is "one hundred forty-four million, six hundred eighty thousand, one hundred thirty-seven".