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142544201 = 1782710139
BaseRepresentation
bin10000111111100…
…00110101001001
3100221012222212212
420133300311021
5242442403301
622051114505
73350414522
oct1037606511
9327188785
10142544201
117350a628
123b8a2a35
13236bb3a7
1414d07849
15c7aa4bb
hex87f0d49

142544201 has 8 divisors (see below), whose sum is σ = 151126560. Its totient is φ = 133983808.

The previous prime is 142544161. The next prime is 142544221. The reversal of 142544201 is 102445241.

142544201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142544201 - 226 = 75435337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142544221) 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, 8990 + ... + 19128.

It is an arithmetic number, because the mean of its divisors is an integer number (18890820).

Almost surely, 2142544201 is an apocalyptic number.

It is an amenable number.

142544201 is a deficient number, since it is larger than the sum of its proper divisors (8582359).

142544201 is a wasteful number, since it uses less digits than its factorization.

142544201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10983.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 142544201 is about 11939.1876189295. The cubic root of 142544201 is about 522.3759628648.

Adding to 142544201 its reverse (102445241), we get a palindrome (244989442).

The spelling of 142544201 in words is "one hundred forty-two million, five hundred forty-four thousand, two hundred one".

Divisors: 1 17 827 10139 14059 172363 8384953 142544201