144167744621 has 8 divisors (see below), whose sum is σ = 147534002880. Its totient is φ = 140802100992.

The previous prime is 144167744549. The next prime is 144167744629. The reversal of 144167744621 is 126447761441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144167744621 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 (144167744629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339176 + ... + 635118.

It is an arithmetic number, because the mean of its divisors is an integer number (18441750360).

Almost surely, 2^144167744621 is an apocalyptic number.

It is an amenable number.

144167744621 is a deficient number, since it is larger than the sum of its proper divisors (3366258259).

144167744621 is a wasteful number, since it uses less digits than its factorization.

144167744621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307315.

The product of its digits is 903168, while the sum is 47.

The spelling of 144167744621 in words is "one hundred forty-four billion, one hundred sixty-seven million, seven hundred forty-four thousand, six hundred twenty-one".