272189144 has 16 divisors (see below), whose sum is σ = 510987120. Its totient is φ = 135925920.

The previous prime is 272189129. The next prime is 272189147. The reversal of 272189144 is 441981272.

It is a happy number.

It is a super-2 number, since 2×272189144² = 148173860222905472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 272189098 and 272189107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272189147) 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, 14087 + ... + 27254.

It is an arithmetic number, because the mean of its divisors is an integer number (31936695).

Almost surely, 2^272189144 is an apocalyptic number.

It is an amenable number.

272189144 is a deficient number, since it is larger than the sum of its proper divisors (238797976).

272189144 is a wasteful number, since it uses less digits than its factorization.

272189144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42170 (or 42166 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 272189144 is about 16498.1557757223. The cubic root of 272189144 is about 648.0725100488.

The spelling of 272189144 in words is "two hundred seventy-two million, one hundred eighty-nine thousand, one hundred forty-four".