144705801 has 16 divisors (see below), whose sum is σ = 196678400. Its totient is φ = 94618368.

The previous prime is 144705797. The next prime is 144705817. The reversal of 144705801 is 108507441.

It is not a de Polignac number, because 144705801 - 2² = 144705797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144705401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35265 + ... + 39153.

It is an arithmetic number, because the mean of its divisors is an integer number (12292400).

Almost surely, 2^144705801 is an apocalyptic number.

It is an amenable number.

144705801 is a deficient number, since it is larger than the sum of its proper divisors (51972599).

144705801 is a wasteful number, since it uses less digits than its factorization.

144705801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4128.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 144705801 is about 12029.3724275209. The cubic root of 144705801 is about 525.0032362612.

The spelling of 144705801 in words is "one hundred forty-four million, seven hundred five thousand, eight hundred one".