Search a number
-
+
144955525 = 52111323119
BaseRepresentation
bin10001010001111…
…01100010000101
3101002202111121011
420220331202011
5244102034100
622214522221
73410046601
oct1050754205
9332674534
10144955525
1174907260
1240666371
1324053b00
1415374501
15cad4bba
hex8a3d885

144955525 has 36 divisors (see below), whose sum is σ = 212397120. Its totient is φ = 97281600.

The previous prime is 144955519. The next prime is 144955553. The reversal of 144955525 is 525559441.

It is a de Polignac number, because none of the positive numbers 2k-144955525 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 44916 + ... + 48034.

It is an arithmetic number, because the mean of its divisors is an integer number (5899920).

Almost surely, 2144955525 is an apocalyptic number.

It is an amenable number.

144955525 is a deficient number, since it is larger than the sum of its proper divisors (67441595).

144955525 is a wasteful number, since it uses less digits than its factorization.

144955525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166 (or 3148 counting only the distinct ones).

The product of its digits is 180000, while the sum is 40.

The square root of 144955525 is about 12039.7477133036. The cubic root of 144955525 is about 525.3050683496.

The spelling of 144955525 in words is "one hundred forty-four million, nine hundred fifty-five thousand, five hundred twenty-five".

Divisors: 1 5 11 13 25 55 65 143 169 275 325 715 845 1859 3119 3575 4225 9295 15595 34309 40547 46475 77975 171545 202735 446017 527111 857725 1013675 2230085 2635555 5798221 11150425 13177775 28991105 144955525