144457846388185 has 32 divisors (see below), whose sum is σ = 189695220094080. Its totient is φ = 104734527206400.

The previous prime is 144457846388171. The next prime is 144457846388227. The reversal of 144457846388185 is 581883648754441.

It is not a de Polignac number, because 144457846388185 - 2³⁵ = 144423486649817 is a prime.

It is a super-2 number, since 2×144457846388185² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43442599 + ... + 46649491.

It is an arithmetic number, because the mean of its divisors is an integer number (5927975627940).

Almost surely, 2^{144457846388185} is an apocalyptic number.

It is an amenable number.

144457846388185 is a deficient number, since it is larger than the sum of its proper divisors (45237373705895).

144457846388185 is a wasteful number, since it uses less digits than its factorization.

144457846388185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209449.

The product of its digits is 3303014400, while the sum is 76.

The spelling of 144457846388185 in words is "one hundred forty-four trillion, four hundred fifty-seven billion, eight hundred forty-six million, three hundred eighty-eight thousand, one hundred eighty-five".