Search a number
-
+
145010255 = 51317131231
BaseRepresentation
bin10001010010010…
…10111001001111
3101002212021200012
420221022321033
5244110312010
622220023435
73410365265
oct1051127117
9332767605
10145010255
1174944395
1240691b7b
13240729b0
141538a435
15cae6005
hex8a4ae4f

145010255 has 16 divisors (see below), whose sum is σ = 198422784. Its totient is φ = 100784640.

The previous prime is 145010249. The next prime is 145010263. The reversal of 145010255 is 552010541.

It is a happy number.

145010255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145010255 - 28 = 145009999 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 145010255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64511 + ... + 66720.

It is an arithmetic number, because the mean of its divisors is an integer number (12401424).

Almost surely, 2145010255 is an apocalyptic number.

145010255 is a deficient number, since it is larger than the sum of its proper divisors (53412529).

145010255 is a wasteful number, since it uses less digits than its factorization.

145010255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131266.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 145010255 is about 12042.0203869616. The cubic root of 145010255 is about 525.3711721398.

Adding to 145010255 its reverse (552010541), we get a palindrome (697020796).

The spelling of 145010255 in words is "one hundred forty-five million, ten thousand, two hundred fifty-five".

Divisors: 1 5 13 17 65 85 221 1105 131231 656155 1706003 2230927 8530015 11154635 29002051 145010255