144536155 has 4 divisors (see below), whose sum is σ = 173443392. Its totient is φ = 115628920.

The previous prime is 144536129. The next prime is 144536177. The reversal of 144536155 is 551635441.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 144536155 - 2¹¹ = 144534107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144536155.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14453611 + ... + 14453620.

It is an arithmetic number, because the mean of its divisors is an integer number (43360848).

Almost surely, 2^144536155 is an apocalyptic number.

144536155 is a deficient number, since it is larger than the sum of its proper divisors (28907237).

144536155 is an equidigital number, since it uses as much as digits as its factorization.

144536155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28907236.

The product of its digits is 36000, while the sum is 34.

The square root of 144536155 is about 12022.3190358599. The cubic root of 144536155 is about 524.7979933336.

The spelling of 144536155 in words is "one hundred forty-four million, five hundred thirty-six thousand, one hundred fifty-five".