Search a number
-
+
145115118 = 2338393203
BaseRepresentation
bin10001010011001…
…00011111101110
3101010001121112000
420221210133232
5244122140433
622222153130
73411313101
oct1051443756
9333047460
10145115118
1174a06155
12407227a6
13240ab645
14153b6738
15cb17113
hex8a647ee

145115118 has 32 divisors (see below), whose sum is σ = 322963200. Its totient is φ = 48298968.

The previous prime is 145115063. The next prime is 145115129. The reversal of 145115118 is 811511541.

145115118 is a `hidden beast` number, since 145 + 1 + 1 + 511 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 145115091 and 145115100.

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, 43705 + ... + 46907.

It is an arithmetic number, because the mean of its divisors is an integer number (10092600).

Almost surely, 2145115118 is an apocalyptic number.

145115118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

145115118 is an abundant number, since it is smaller than the sum of its proper divisors (177848082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145115118 is a wasteful number, since it uses less digits than its factorization.

145115118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053 (or 4047 counting only the distinct ones).

The product of its digits is 800, while the sum is 27.

The square root of 145115118 is about 12046.3736452096. The cubic root of 145115118 is about 525.4977809390.

Adding to 145115118 its reverse (811511541), we get a palindrome (956626659).

The spelling of 145115118 in words is "one hundred forty-five million, one hundred fifteen thousand, one hundred eighteen".

Divisors: 1 2 3 6 9 18 27 54 839 1678 2517 3203 5034 6406 7551 9609 15102 19218 22653 28827 45306 57654 86481 172962 2687317 5374634 8061951 16123902 24185853 48371706 72557559 145115118