144171742 has 24 divisors (see below), whose sum is σ = 255995208. Its totient is φ = 60490320.

The previous prime is 144171691. The next prime is 144171763. The reversal of 144171742 is 247171441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19768 + ... + 26059.

It is an arithmetic number, because the mean of its divisors is an integer number (10666467).

Almost surely, 2^144171742 is an apocalyptic number.

144171742 is a deficient number, since it is larger than the sum of its proper divisors (111823466).

144171742 is a wasteful number, since it uses less digits than its factorization.

144171742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45864 (or 45853 counting only the distinct ones).

The product of its digits is 6272, while the sum is 31.

The square root of 144171742 is about 12007.1537843071. The cubic root of 144171742 is about 524.3565716903.

The spelling of 144171742 in words is "one hundred forty-four million, one hundred seventy-one thousand, seven hundred forty-two".