144042671 has 4 divisors (see below), whose sum is σ = 144645600. Its totient is φ = 143439744.

The previous prime is 144042643. The next prime is 144042713. The reversal of 144042671 is 176240441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176240441 = 13 ⋅13556957.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144042671 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 (144042631) 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, 301106 + ... + 301583.

It is an arithmetic number, because the mean of its divisors is an integer number (36161400).

Almost surely, 2^144042671 is an apocalyptic number.

144042671 is a deficient number, since it is larger than the sum of its proper divisors (602929).

144042671 is an equidigital number, since it uses as much as digits as its factorization.

144042671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602928.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 144042671 is about 12001.7778266389. Note that the first 3 decimals coincide. The cubic root of 144042671 is about 524.2000467176.

The spelling of 144042671 in words is "one hundred forty-four million, forty-two thousand, six hundred seventy-one".