144155005 has 8 divisors (see below), whose sum is σ = 173763072. Its totient is φ = 114805968.

The previous prime is 144154993. The next prime is 144155009. The reversal of 144155005 is 500551441.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 144155005 - 2⁵ = 144154973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144155009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63529 + ... + 65758.

It is an arithmetic number, because the mean of its divisors is an integer number (21720384).

Almost surely, 2^144155005 is an apocalyptic number.

It is an amenable number.

144155005 is a deficient number, since it is larger than the sum of its proper divisors (29608067).

144155005 is a wasteful number, since it uses less digits than its factorization.

144155005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129515.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 144155005 is about 12006.4568045698. The cubic root of 144155005 is about 524.3362799293.

The spelling of 144155005 in words is "one hundred forty-four million, one hundred fifty-five thousand, five".