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157143580145 = 546168175089
BaseRepresentation
bin1001001001011001111…
…1001011110111110001
3120000121121100222120222
42102112133023313301
510033312224031040
6200105112142425
714232110251346
oct2222637136761
9500547328528
10157143580145
116070a4aa6a2
1226557097a15
1311a84547166
14786a4047cd
15414ad0abb5
hex24967cbdf1

157143580145 has 8 divisors (see below), whose sum is σ = 188981349480. Its totient is φ = 125442161920.

The previous prime is 157143580129. The next prime is 157143580177. The reversal of 157143580145 is 541085341751.

It can be written as a sum of positive squares in 4 ways, for example, as 36820620769 + 120322959376 = 191887^2 + 346876^2 .

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

It is not a de Polignac number, because 157143580145 - 24 = 157143580129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157143580096 and 157143580105.

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, 34085240 + ... + 34089849.

It is an arithmetic number, because the mean of its divisors is an integer number (23622668685).

Almost surely, 2157143580145 is an apocalyptic number.

It is an amenable number.

157143580145 is a deficient number, since it is larger than the sum of its proper divisors (31837769335).

157143580145 is an equidigital number, since it uses as much as digits as its factorization.

157143580145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68175555.

The product of its (nonzero) digits is 336000, while the sum is 44.

The spelling of 157143580145 in words is "one hundred fifty-seven billion, one hundred forty-three million, five hundred eighty thousand, one hundred forty-five".

Divisors: 1 5 461 2305 68175089 340875445 31428716029 157143580145