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159342145 = 5101315529
BaseRepresentation
bin10010111111101…
…01111001000001
3102002211102022221
421133311321001
5311242422040
623451131041
73643246234
oct1137657101
9362742287
10159342145
1181a43126
1245443a81
13270201c1
141723b41b
15dec774a
hex97f5e41

159342145 has 8 divisors (see below), whose sum is σ = 193104360. Its totient is φ = 126211200.

The previous prime is 159342121. The next prime is 159342149. The reversal of 159342145 is 541243951.

It can be written as a sum of positive squares in 4 ways, for example, as 12278016 + 147064129 = 3504^2 + 12127^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-159342145 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 159342145.

It is not an unprimeable number, because it can be changed into a prime (159342149) 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, 157260 + ... + 158269.

It is an arithmetic number, because the mean of its divisors is an integer number (24138045).

Almost surely, 2159342145 is an apocalyptic number.

It is an amenable number.

159342145 is a deficient number, since it is larger than the sum of its proper divisors (33762215).

159342145 is a wasteful number, since it uses less digits than its factorization.

159342145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315635.

The product of its digits is 21600, while the sum is 34.

The square root of 159342145 is about 12623.0798539818. The cubic root of 159342145 is about 542.1384624210.

The spelling of 159342145 in words is "one hundred fifty-nine million, three hundred forty-two thousand, one hundred forty-five".

Divisors: 1 5 101 505 315529 1577645 31868429 159342145