Search a number
-
+
145524005 = 5112645891
BaseRepresentation
bin10001010110010…
…00010100100101
3101010211101101222
420223020110211
5244223232010
622235030125
73414635144
oct1053102445
9333741358
10145524005
1175165380
124089b345
13241c27a3
141548175b
15cb98355
hex8ac8525

145524005 has 8 divisors (see below), whose sum is σ = 190504224. Its totient is φ = 105835600.

The previous prime is 145523981. The next prime is 145524007. The reversal of 145524005 is 500425541.

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

It is not a de Polignac number, because 145524005 - 218 = 145261861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145524007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1322891 + ... + 1323000.

It is an arithmetic number, because the mean of its divisors is an integer number (23813028).

Almost surely, 2145524005 is an apocalyptic number.

It is an amenable number.

145524005 is a deficient number, since it is larger than the sum of its proper divisors (44980219).

145524005 is a wasteful number, since it uses less digits than its factorization.

145524005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645907.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 145524005 is about 12063.3330800405. Note that the first 3 decimals coincide. The cubic root of 145524005 is about 525.9908784628.

Adding to 145524005 its reverse (500425541), we get a palindrome (645949546).

The spelling of 145524005 in words is "one hundred forty-five million, five hundred twenty-four thousand, five".

Divisors: 1 5 11 55 2645891 13229455 29104801 145524005