144267147 has 24 divisors (see below), whose sum is σ = 212372160. Its totient is φ = 94350960.

The previous prime is 144267139. The next prime is 144267157. The reversal of 144267147 is 741762441.

It is a happy number.

144267147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144267147 - 2³ = 144267139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144267157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252372 + ... + 252942.

It is an arithmetic number, because the mean of its divisors is an integer number (8848840).

Almost surely, 2^144267147 is an apocalyptic number.

144267147 is a deficient number, since it is larger than the sum of its proper divisors (68105013).

144267147 is a wasteful number, since it uses less digits than its factorization.

144267147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063 (or 1060 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 144267147 is about 12011.1259672022. The cubic root of 144267147 is about 524.4722097185.

The spelling of 144267147 in words is "one hundred forty-four million, two hundred sixty-seven thousand, one hundred forty-seven".