Search a number
-
+
145528143 = 3172853493
BaseRepresentation
bin10001010110010…
…01010101001111
3101010211121002020
420223021111033
5244223400033
622235101223
73414653205
oct1053112517
9333747066
10145528143
11751684a2
12408a1813
13241c4637
1415483075
15cb996b3
hex8ac954f

145528143 has 8 divisors (see below), whose sum is σ = 205451568. Its totient is φ = 91311744.

The previous prime is 145528129. The next prime is 145528183. The reversal of 145528143 is 341825541.

145528143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 145528143 - 26 = 145528079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145528183) 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, 1426696 + ... + 1426797.

It is an arithmetic number, because the mean of its divisors is an integer number (25681446).

Almost surely, 2145528143 is an apocalyptic number.

145528143 is a deficient number, since it is larger than the sum of its proper divisors (59923425).

145528143 is a wasteful number, since it uses less digits than its factorization.

145528143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853513.

The product of its digits is 19200, while the sum is 33.

The square root of 145528143 is about 12063.5045902922. The cubic root of 145528143 is about 525.9958639624.

The spelling of 145528143 in words is "one hundred forty-five million, five hundred twenty-eight thousand, one hundred forty-three".

Divisors: 1 3 17 51 2853493 8560479 48509381 145528143