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142543502145 = 32511377782883
BaseRepresentation
bin1000010011000001000…
…0010011101101000001
3111121221002202011202100
42010300100103231001
54313412114032040
6145252241541013
713204234530312
oct2046020235501
9447832664670
10142543502145
11554a80aaa30
1223761644769
1310598813055
146c83364609
153a94191b30
hex2130413b41

142543502145 has 48 divisors (see below), whose sum is σ = 276821618112. Its totient is φ = 67244100480.

The previous prime is 142543502117. The next prime is 142543502183. The reversal of 142543502145 is 541205345241.

142543502145 is a `hidden beast` number, since 1 + 4 + 2 + 5 + 4 + 3 + 502 + 145 = 666.

It is not a de Polignac number, because 142543502145 - 26 = 142543502081 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3873127 + ... + 3909756.

It is an arithmetic number, because the mean of its divisors is an integer number (5767117044).

Almost surely, 2142543502145 is an apocalyptic number.

142543502145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142543502145 is a deficient number, since it is larger than the sum of its proper divisors (134278115967).

142543502145 is a wasteful number, since it uses less digits than its factorization.

142543502145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7782942 (or 7782939 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 142543502145 its reverse (541205345241), we get a palindrome (683748847386).

The spelling of 142543502145 in words is "one hundred forty-two billion, five hundred forty-three million, five hundred two thousand, one hundred forty-five".

Divisors: 1 3 5 9 11 15 33 37 45 55 99 111 165 185 333 407 495 555 1221 1665 2035 3663 6105 18315 7782883 23348649 38914415 70045947 85611713 116743245 256835139 287966671 350229735 428058565 770505417 863900013 1284175695 1439833355 2591700039 3167633381 3852527085 4319500065 9502900143 12958500195 15838166905 28508700429 47514500715 142543502145