Search a number
-
+
145245535 = 5173746183
BaseRepresentation
bin10001010100001…
…00010101011111
3101010022020102021
420222010111133
5244140324120
622225041011
73412365241
oct1052042537
9333266367
10145245535
1174a95136
1240786167
1324125b06
141540c091
15cb40aaa
hex8a8455f

145245535 has 16 divisors (see below), whose sum is σ = 189539136. Its totient is φ = 106403328.

The previous prime is 145245533. The next prime is 145245563. The reversal of 145245535 is 535542541.

It is a cyclic number.

It is not a de Polignac number, because 145245535 - 21 = 145245533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145245535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145245533) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19947 + ... + 26236.

It is an arithmetic number, because the mean of its divisors is an integer number (11846196).

Almost surely, 2145245535 is an apocalyptic number.

145245535 is a deficient number, since it is larger than the sum of its proper divisors (44293601).

145245535 is a wasteful number, since it uses less digits than its factorization.

145245535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46242.

The product of its digits is 60000, while the sum is 34.

The square root of 145245535 is about 12051.7855523570. The cubic root of 145245535 is about 525.6551578880.

The spelling of 145245535 in words is "one hundred forty-five million, two hundred forty-five thousand, five hundred thirty-five".

Divisors: 1 5 17 37 85 185 629 3145 46183 230915 785111 1708771 3925555 8543855 29049107 145245535