144009995 has 8 divisors (see below), whose sum is σ = 173502000. Its totient is φ = 114748000.

The previous prime is 144009991. The next prime is 144010007. The reversal of 144009995 is 599900441.

It is a happy number.

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

It is not a de Polignac number, because 144009995 - 2² = 144009991 is a prime.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (144009991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56120 + ... + 58629.

It is an arithmetic number, because the mean of its divisors is an integer number (21687750).

Almost surely, 2^144009995 is an apocalyptic number.

144009995 is a deficient number, since it is larger than the sum of its proper divisors (29492005).

144009995 is a wasteful number, since it uses less digits than its factorization.

144009995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115005.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 144009995 is about 12000.4164511070. The cubic root of 144009995 is about 524.1604055567.

The spelling of 144009995 in words is "one hundred forty-four million, nine thousand, nine hundred ninety-five".