144738147 has 16 divisors (see below), whose sum is σ = 194832000. Its totient is φ = 95573184.

The previous prime is 144738137. The next prime is 144738169. The reversal of 144738147 is 741837441.

It is not a de Polignac number, because 144738147 - 2⁴ = 144738131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144738107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219304 + ... + 219962.

It is an arithmetic number, because the mean of its divisors is an integer number (12177000).

Almost surely, 2^144738147 is an apocalyptic number.

144738147 is a deficient number, since it is larger than the sum of its proper divisors (50093853).

144738147 is a wasteful number, since it uses less digits than its factorization.

144738147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250.

The product of its digits is 75264, while the sum is 39.

The square root of 144738147 is about 12030.7168115620. The cubic root of 144738147 is about 525.0423512320.

The spelling of 144738147 in words is "one hundred forty-four million, seven hundred thirty-eight thousand, one hundred forty-seven".