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145305041142 = 2324217506857
BaseRepresentation
bin1000011101010011011…
…0101111100011110110
3111220001120001220002110
42013110312233203312
54340041042304032
6150430251151450
713332536320362
oct2072466574366
9456046056073
10145305041142
11566949a9068
12241b2445586
13109189950b1
1470660162a2
153ba68307cc
hex21d4daf8f6

145305041142 has 8 divisors (see below), whose sum is σ = 290610082296. Its totient is φ = 48435013712.

The previous prime is 145305041131. The next prime is 145305041143. The reversal of 145305041142 is 241140503541.

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

145305041142 is an admirable number.

It is a super-2 number, since 2×1453050411422 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145305041143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12108753423 + ... + 12108753434.

It is an arithmetic number, because the mean of its divisors is an integer number (36326260287).

Almost surely, 2145305041142 is an apocalyptic number.

145305041142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145305041142 is a wasteful number, since it uses less digits than its factorization.

145305041142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24217506862.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 145305041142 its reverse (241140503541), we get a palindrome (386445544683).

The spelling of 145305041142 in words is "one hundred forty-five billion, three hundred five million, forty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 24217506857 48435013714 72652520571 145305041142