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142230012144 = 24311269375023
BaseRepresentation
bin1000010001110110010…
…0011100000011110000
3111121010020212020022120
42010131210130003300
54312241340342034
6145201202434240
713163410104303
oct2043544340360
9447106766276
10142230012144
1155357152290
1223694662980
13105488a0ccc
146c5387cb3a
153a768bac49
hex211d91c0f0

142230012144 has 40 divisors (see below), whose sum is σ = 400830035712. Its totient is φ = 43100003520.

The previous prime is 142230012079. The next prime is 142230012149. The reversal of 142230012144 is 441210032241.

142230012144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1422300121443 (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142230012149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134686984 + ... + 134688039.

Almost surely, 2142230012144 is an apocalyptic number.

It is an amenable number.

142230012144 is an abundant number, since it is smaller than the sum of its proper divisors (258600023568).

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

142230012144 is a wasteful number, since it uses less digits than its factorization.

142230012144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269375045 (or 269375039 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 142230012144 its reverse (441210032241), we get a palindrome (583440044385).

The spelling of 142230012144 in words is "one hundred forty-two billion, two hundred thirty million, twelve thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 269375023 538750046 808125069 1077500092 1616250138 2155000184 2963125253 3232500276 4310000368 5926250506 6465000552 8889375759 11852501012 12930001104 17778751518 23705002024 35557503036 47410004048 71115006072 142230012144