Search a number
-
+
145672116 = 223171514729
BaseRepresentation
bin10001010111011…
…00011110110100
3101011002220120120
420223230132310
5244243001431
622242131540
73416123022
oct1053543664
9334086516
10145672116
1175256687
1240950bb0
1324245025
14154bd712
15cbc7196
hex8aec7b4

145672116 has 48 divisors (see below), whose sum is σ = 362355840. Its totient is φ = 45388800.

The previous prime is 145672103. The next prime is 145672123. The reversal of 145672116 is 611276541.

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, 28440 + ... + 33168.

It is an arithmetic number, because the mean of its divisors is an integer number (7549080).

Almost surely, 2145672116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145672116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181177920).

145672116 is an abundant number, since it is smaller than the sum of its proper divisors (216683724).

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

145672116 is a wasteful number, since it uses less digits than its factorization.

145672116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4904 (or 4902 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 145672116 is about 12069.4704109170. The cubic root of 145672116 is about 526.1692651144.

The spelling of 145672116 in words is "one hundred forty-five million, six hundred seventy-two thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 151 204 302 453 604 906 1812 2567 4729 5134 7701 9458 10268 14187 15402 18916 28374 30804 56748 80393 160786 241179 321572 482358 714079 964716 1428158 2142237 2856316 4284474 8568948 12139343 24278686 36418029 48557372 72836058 145672116