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144609918 = 23110321851
BaseRepresentation
bin10001001111010…
…01001001111110
3101002002221111220
420213221021332
5244010004133
622203254210
73404110155
oct1047511176
9332087456
10144609918
11746a0632
124051a366
1323c626cb
14152c459c
15ca675b3
hex89e927e

144609918 has 16 divisors (see below), whose sum is σ = 289495296. Its totient is φ = 48157400.

The previous prime is 144609877. The next prime is 144609923. The reversal of 144609918 is 819906441.

144609918 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 144609918.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4308 + ... + 17543.

It is an arithmetic number, because the mean of its divisors is an integer number (18093456).

Almost surely, 2144609918 is an apocalyptic number.

144609918 is an abundant number, since it is smaller than the sum of its proper divisors (144885378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144609918 is a wasteful number, since it uses less digits than its factorization.

144609918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22959.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 144609918 is about 12025.3863971184. The cubic root of 144609918 is about 524.8872537935.

The spelling of 144609918 in words is "one hundred forty-four million, six hundred nine thousand, nine hundred eighteen".

Divisors: 1 2 3 6 1103 2206 3309 6618 21851 43702 65553 131106 24101653 48203306 72304959 144609918