144452155 has 8 divisors (see below), whose sum is σ = 182466000. Its totient is φ = 109479456.

The previous prime is 144452149. The next prime is 144452177. The reversal of 144452155 is 551254441.

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 144452155 - 2⁷ = 144452027 is a prime.

It is an unprimeable number.

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, 760180 + ... + 760369.

It is an arithmetic number, because the mean of its divisors is an integer number (22808250).

Almost surely, 2^144452155 is an apocalyptic number.

144452155 is a deficient number, since it is larger than the sum of its proper divisors (38013845).

144452155 is a wasteful number, since it uses less digits than its factorization.

144452155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520573.

The product of its digits is 16000, while the sum is 31.

The square root of 144452155 is about 12018.8250257669. The cubic root of 144452155 is about 524.6963081091.

The spelling of 144452155 in words is "one hundred forty-four million, four hundred fifty-two thousand, one hundred fifty-five".