144143681474 has 8 divisors (see below), whose sum is σ = 232847485500. Its totient is φ = 66527852976.

The previous prime is 144143681471. The next prime is 144143681491. The reversal of 144143681474 is 474186341441.

It can be written as a sum of positive squares in 2 ways, for example, as 143939048449 + 204633025 = 379393^2 + 14305^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144143681471) 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, 2771993849 + ... + 2771993900.

Almost surely, 2^144143681474 is an apocalyptic number.

144143681474 is a deficient number, since it is larger than the sum of its proper divisors (88703804026).

144143681474 is a wasteful number, since it uses less digits than its factorization.

144143681474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5543987764.

The product of its digits is 1032192, while the sum is 47.

The spelling of 144143681474 in words is "one hundred forty-four billion, one hundred forty-three million, six hundred eighty-one thousand, four hundred seventy-four".