144980181 has 12 divisors (see below), whose sum is σ = 209532960. Its totient is φ = 96599400.

The previous prime is 144980179. The next prime is 144980207. The reversal of 144980181 is 181089441.

It is not a de Polignac number, because 144980181 - 2¹ = 144980179 is a prime.

It is a super-2 number, since 2×144980181² = 42038505765585522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144980681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18856 + ... + 25406.

It is an arithmetic number, because the mean of its divisors is an integer number (17461080).

Almost surely, 2^144980181 is an apocalyptic number.

It is an amenable number.

144980181 is a deficient number, since it is larger than the sum of its proper divisors (64552779).

144980181 is a wasteful number, since it uses less digits than its factorization.

144980181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9016 (or 9013 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 144980181 is about 12040.7716114874. The cubic root of 144980181 is about 525.3348503292.

It can be divided in two parts, 144980 and 181, that added together give a square (145161 = 381²).

The spelling of 144980181 in words is "one hundred forty-four million, nine hundred eighty thousand, one hundred eighty-one".