144550155 has 16 divisors (see below), whose sum is σ = 234733824. Its totient is φ = 75942240.

The previous prime is 144550121. The next prime is 144550163. The reversal of 144550155 is 551055441.

It is not a de Polignac number, because 144550155 - 2¹⁶ = 144484619 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 15 ways as a sum of consecutive naturals, for example, 70911 + ... + 72920.

It is an arithmetic number, because the mean of its divisors is an integer number (14670864).

Almost surely, 2^144550155 is an apocalyptic number.

144550155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144550155 is a deficient number, since it is larger than the sum of its proper divisors (90183669).

144550155 is a wasteful number, since it uses less digits than its factorization.

144550155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143906.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 144550155 is about 12022.9012721556. The cubic root of 144550155 is about 524.8149370404.

The spelling of 144550155 in words is "one hundred forty-four million, five hundred fifty thousand, one hundred fifty-five".