144887151 has 4 divisors (see below), whose sum is σ = 193182872. Its totient is φ = 96591432.

The previous prime is 144887129. The next prime is 144887177. The reversal of 144887151 is 151788441.

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

It is not a de Polignac number, because 144887151 - 2¹³ = 144878959 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 (144887101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24147856 + ... + 24147861.

It is an arithmetic number, because the mean of its divisors is an integer number (48295718).

Almost surely, 2^144887151 is an apocalyptic number.

144887151 is a deficient number, since it is larger than the sum of its proper divisors (48295721).

144887151 is an equidigital number, since it uses as much as digits as its factorization.

144887151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48295720.

The product of its digits is 35840, while the sum is 39.

The square root of 144887151 is about 12036.9078670562. The cubic root of 144887151 is about 525.2224617306. Note that the first 3 decimals are identical.

The spelling of 144887151 in words is "one hundred forty-four million, eight hundred eighty-seven thousand, one hundred fifty-one".