144740705 has 8 divisors (see below), whose sum is σ = 179291904. Its totient is φ = 112057200.

The previous prime is 144740681. The next prime is 144740723. The reversal of 144740705 is 507047441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-144740705 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466751 + ... + 467060.

It is an arithmetic number, because the mean of its divisors is an integer number (22411488).

Almost surely, 2^144740705 is an apocalyptic number.

It is an amenable number.

144740705 is a deficient number, since it is larger than the sum of its proper divisors (34551199).

144740705 is an equidigital number, since it uses as much as digits as its factorization.

144740705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933847.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 144740705 is about 12030.8231222972. The cubic root of 144740705 is about 525.0454442899.

The spelling of 144740705 in words is "one hundred forty-four million, seven hundred forty thousand, seven hundred five".