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164536145 = 5145122679
BaseRepresentation
bin10011100111010…
…01111101010001
3102110121022011022
421303221331101
5314110124040
624154325225
74035351134
oct1163517521
9373538138
10164536145
1184970494
1247129815
132811b387
1417bd021b
15e6a16b5
hex9ce9f51

164536145 has 8 divisors (see below), whose sum is σ = 197588160. Its totient is φ = 131532400.

The previous prime is 164536139. The next prime is 164536159. The reversal of 164536145 is 541635461.

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

It is not a de Polignac number, because 164536145 - 216 = 164470609 is a prime.

It is a super-2 number, since 2×1645361452 = 54144286022922050, which contains 22 as substring.

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, 4085 + ... + 18594.

It is an arithmetic number, because the mean of its divisors is an integer number (24698520).

Almost surely, 2164536145 is an apocalyptic number.

It is an amenable number.

164536145 is a deficient number, since it is larger than the sum of its proper divisors (33052015).

164536145 is a wasteful number, since it uses less digits than its factorization.

164536145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24135.

The product of its digits is 43200, while the sum is 35.

The square root of 164536145 is about 12827.1643397908. The cubic root of 164536145 is about 547.9662021619.

The spelling of 164536145 in words is "one hundred sixty-four million, five hundred thirty-six thousand, one hundred forty-five".