144849204945 has 12 divisors (see below), whose sum is σ = 251071955316. Its totient is φ = 77252909280.

The previous prime is 144849204931. The next prime is 144849204961. The reversal of 144849204945 is 549402948441.

144849204945 is a `hidden beast` number, since 144 + 8 + 4 + 9 + 2 + 0 + 494 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 29871245889 + 114977959056 = 172833^2 + 339084^2 .

It is not a de Polignac number, because 144849204945 - 2¹⁰ = 144849203921 is a prime.

It is a super-2 number, since 2×144849204945² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144849204891 and 144849204900.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1609435566 + ... + 1609435655.

It is an arithmetic number, because the mean of its divisors is an integer number (20922662943).

Almost surely, 2^144849204945 is an apocalyptic number.

144849204945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144849204945 is a deficient number, since it is larger than the sum of its proper divisors (106222750371).

144849204945 is a wasteful number, since it uses less digits than its factorization.

144849204945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218871232 (or 3218871229 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 144849204945 in words is "one hundred forty-four billion, eight hundred forty-nine million, two hundred four thousand, nine hundred forty-five".