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159040145 = 5112891639
BaseRepresentation
bin10010111101011…
…00001010010001
3102002021002001202
421132230022101
5311203241040
623440440545
73640550615
oct1136541221
9362232052
10159040145
1181857240
1245319155
1326c458c4
141719d345
15de68015
hex97ac291

159040145 has 8 divisors (see below), whose sum is σ = 208198080. Its totient is φ = 115665520.

The previous prime is 159040139. The next prime is 159040153. The reversal of 159040145 is 541040951.

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

It is not a de Polignac number, because 159040145 - 212 = 159036049 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 7 ways as a sum of consecutive naturals, for example, 1445765 + ... + 1445874.

It is an arithmetic number, because the mean of its divisors is an integer number (26024760).

Almost surely, 2159040145 is an apocalyptic number.

It is an amenable number.

159040145 is a deficient number, since it is larger than the sum of its proper divisors (49157935).

159040145 is a wasteful number, since it uses less digits than its factorization.

159040145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891655.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 159040145 is about 12611.1119652472. Note that the first 3 decimals coincide. The cubic root of 159040145 is about 541.7957421260.

The spelling of 159040145 in words is "one hundred fifty-nine million, forty thousand, one hundred forty-five".

Divisors: 1 5 11 55 2891639 14458195 31808029 159040145