144254673 has 18 divisors (see below), whose sum is σ = 220852242. Its totient is φ = 90419520.

The previous prime is 144254659. The next prime is 144254681. The reversal of 144254673 is 376452441.

144254673 is a `hidden beast` number, since 1 + 4 + 42 + 546 + 73 = 666.

It can be written as a sum of positive squares in only one way, i.e., 135769104 + 8485569 = 11652^2 + 2913^2 .

It is not a de Polignac number, because 144254673 - 2⁹ = 144254161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144254623) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 148078 + ... + 149048.

It is an arithmetic number, because the mean of its divisors is an integer number (12269569).

Almost surely, 2^144254673 is an apocalyptic number.

It is an amenable number.

144254673 is a deficient number, since it is larger than the sum of its proper divisors (76597569).

144254673 is an frugal number, since it uses more digits than its factorization.

144254673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965 (or 991 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 144254673 is about 12010.6066874242. The cubic root of 144254673 is about 524.4570931909.

The spelling of 144254673 in words is "one hundred forty-four million, two hundred fifty-four thousand, six hundred seventy-three".