144252171 has 20 divisors (see below), whose sum is σ = 246272752. Its totient is φ = 82429488.

The previous prime is 144252149. The next prime is 144252181. The reversal of 144252171 is 171252441.

144252171 is a `hidden beast` number, since 1 + 442 + 5 + 217 + 1 = 666.

It is not a de Polignac number, because 144252171 - 2¹⁵ = 144219403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144252181) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 126640 + ... + 127773.

Almost surely, 2^144252171 is an apocalyptic number.

144252171 is a deficient number, since it is larger than the sum of its proper divisors (102020581).

144252171 is an equidigital number, since it uses as much as digits as its factorization.

144252171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254432 (or 254423 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 144252171 is about 12010.5025290368. The cubic root of 144252171 is about 524.4540610552.

The spelling of 144252171 in words is "one hundred forty-four million, two hundred fifty-two thousand, one hundred seventy-one".