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144022131 = 3411161641
BaseRepresentation
bin10001001010110…
…01101001110011
3101001000002020000
420211121221303
5243332202011
622142521043
73366111411
oct1045315163
9331002200
10144022131
1174329a60
1240296183
1323ab7cc6
14151b02b1
15c99d356
hex8959a73

144022131 has 20 divisors (see below), whose sum is σ = 234704184. Its totient is φ = 87285600.

The previous prime is 144022129. The next prime is 144022133. The reversal of 144022131 is 131220441.

144022131 is a `hidden beast` number, since 1 + 440 + 221 + 3 + 1 = 666.

144022131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (144022129) and next prime (144022133).

It is not a de Polignac number, because 144022131 - 21 = 144022129 is a prime.

It is a super-2 number, since 2×1440221312 = 41484748435562322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144022133) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 79930 + ... + 81711.

Almost surely, 2144022131 is an apocalyptic number.

144022131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

144022131 is a deficient number, since it is larger than the sum of its proper divisors (90682053).

144022131 is a wasteful number, since it uses less digits than its factorization.

144022131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161664 (or 161655 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 144022131 is about 12000.9220895730. The cubic root of 144022131 is about 524.1751291458.

Adding to 144022131 its reverse (131220441), we get a palindrome (275242572).

The spelling of 144022131 in words is "one hundred forty-four million, twenty-two thousand, one hundred thirty-one".

Divisors: 1 3 9 11 27 33 81 99 297 891 161641 484923 1454769 1778051 4364307 5334153 13092921 16002459 48007377 144022131