Search a number
-
+
145631282 = 2174399611
BaseRepresentation
bin10001010111000…
…10100000110010
3101011000211120012
420223202200302
5244240200112
622241214522
73415562666
oct1053424062
9334024505
10145631282
1175228a35
1240931442
132422c574
14154ac8a6
15cbba022
hex8ae2832

145631282 has 16 divisors (see below), whose sum is σ = 236678112. Its totient is φ = 66937920.

The previous prime is 145631279. The next prime is 145631287. The reversal of 145631282 is 282136541.

It is not an unprimeable number, because it can be changed into a prime (145631287) 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, 48344 + ... + 51267.

It is an arithmetic number, because the mean of its divisors is an integer number (14792382).

Almost surely, 2145631282 is an apocalyptic number.

145631282 is a deficient number, since it is larger than the sum of its proper divisors (91046830).

145631282 is a wasteful number, since it uses less digits than its factorization.

145631282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99673.

The product of its digits is 11520, while the sum is 32.

The square root of 145631282 is about 12067.7786688355. The cubic root of 145631282 is about 526.1200962360.

The spelling of 145631282 in words is "one hundred forty-five million, six hundred thirty-one thousand, two hundred eighty-two".

Divisors: 1 2 17 34 43 86 731 1462 99611 199222 1693387 3386774 4283273 8566546 72815641 145631282