144138347927461 has 8 divisors (see below), whose sum is σ = 147047644113344. Its totient is φ = 141251345199360.

The previous prime is 144138347927459. The next prime is 144138347927489. The reversal of 144138347927461 is 164729743831441.

It is a happy number.

144138347927461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 144138347927461 - 2¹ = 144138347927459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144138347927393 and 144138347927402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144138347927401) 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, 5573351385 + ... + 5573377246.

It is an arithmetic number, because the mean of its divisors is an integer number (18380955514168).

Almost surely, 2^{144138347927461} is an apocalyptic number.

It is an amenable number.

144138347927461 is a deficient number, since it is larger than the sum of its proper divisors (2909296185883).

144138347927461 is a wasteful number, since it uses less digits than its factorization.

144138347927461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11146728891.

The product of its digits is 97542144, while the sum is 64.

The spelling of 144138347927461 in words is "one hundred forty-four trillion, one hundred thirty-eight billion, three hundred forty-seven million, nine hundred twenty-seven thousand, four hundred sixty-one".