144540107 has 4 divisors (see below), whose sum is σ = 145116216. Its totient is φ = 143964000.

The previous prime is 144540091. The next prime is 144540113. The reversal of 144540107 is 701045441.

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 144540107 - 2⁴ = 144540091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144546107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287678 + ... + 288179.

It is an arithmetic number, because the mean of its divisors is an integer number (36279054).

Almost surely, 2^144540107 is an apocalyptic number.

144540107 is a deficient number, since it is larger than the sum of its proper divisors (576109).

144540107 is an equidigital number, since it uses as much as digits as its factorization.

144540107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576108.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 144540107 is about 12022.4833957049. The cubic root of 144540107 is about 524.8027764108.

Adding to 144540107 its reverse (701045441), we get a palindrome (845585548).

The spelling of 144540107 in words is "one hundred forty-four million, five hundred forty thousand, one hundred seven".