144457301746 has 8 divisors (see below), whose sum is σ = 229432185180. Its totient is φ = 67979906688.

The previous prime is 144457301687. The next prime is 144457301749. The reversal of 144457301746 is 647103754441.

It can be written as a sum of positive squares in 2 ways, for example, as 143308430721 + 1148871025 = 378561^2 + 33895^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 144457301696 and 144457301705.

It is not an unprimeable number, because it can be changed into a prime (144457301749) 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, 2124372051 + ... + 2124372118.

Almost surely, 2^144457301746 is an apocalyptic number.

144457301746 is a deficient number, since it is larger than the sum of its proper divisors (84974883434).

144457301746 is a wasteful number, since it uses less digits than its factorization.

144457301746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4248744188.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 144457301746 in words is "one hundred forty-four billion, four hundred fifty-seven million, three hundred one thousand, seven hundred forty-six".