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145445524240542 = 2354774425948641
BaseRepresentation
bin100001000100100000101100…
…110011100111100010011110
3201001222110022122211001220020
4201010200230303213202132
5123030434413201144132
61233200430150133010
742431043451434501
oct4104405463474236
9631873278731806
10145445524240542
1142386111749899
1214390397951166
1363205b9815826
1427cb85ad6b138
1511c358a09a52c
hex84482cce789e

145445524240542 has 16 divisors (see below), whose sum is σ = 290944159930512. Its totient is φ = 48472989505280.

The previous prime is 145445524240537. The next prime is 145445524240559. The reversal of 145445524240542 is 245042425544541.

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, 2212941459 + ... + 2213007182.

It is an arithmetic number, because the mean of its divisors is an integer number (18184009995657).

Almost surely, 2145445524240542 is an apocalyptic number.

145445524240542 is an abundant number, since it is smaller than the sum of its proper divisors (145498635689970).

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

145445524240542 is a wasteful number, since it uses less digits than its factorization.

145445524240542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425954123.

The product of its (nonzero) digits is 20480000, while the sum is 51.

The spelling of 145445524240542 in words is "one hundred forty-five trillion, four hundred forty-five billion, five hundred twenty-four million, two hundred forty thousand, five hundred forty-two".

Divisors: 1 2 3 6 5477 10954 16431 32862 4425948641 8851897282 13277845923 26555691846 24240920706757 48481841413514 72722762120271 145445524240542