144012307 has 4 divisors (see below), whose sum is σ = 144068896. Its totient is φ = 143955720.

The previous prime is 144012301. The next prime is 144012331. The reversal of 144012307 is 703210441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 703210441 = 23 ⋅30574367.

It is a cyclic number.

It is not a de Polignac number, because 144012307 - 2³ = 144012299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144012301) 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, 24288 + ... + 29629.

It is an arithmetic number, because the mean of its divisors is an integer number (36017224).

Almost surely, 2^144012307 is an apocalyptic number.

144012307 is a deficient number, since it is larger than the sum of its proper divisors (56589).

144012307 is an equidigital number, since it uses as much as digits as its factorization.

144012307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56588.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 144012307 is about 12000.5127807107. The cubic root of 144012307 is about 524.1632105758.

Adding to 144012307 its reverse (703210441), we get a palindrome (847222748).

The spelling of 144012307 in words is "one hundred forty-four million, twelve thousand, three hundred seven".