Search a number
-
+
145705763 = 7211532579
BaseRepresentation
bin10001010111101…
…00101100100011
3101011011121201202
420223310230203
5244300041023
622242551415
73416323100
oct1053645443
9334147652
10145705763
1175279995
124096856b
1324257438
14154cbaa7
15cbd2128
hex8af4b23

145705763 has 12 divisors (see below), whose sum is σ = 169707240. Its totient is φ = 124733952.

The previous prime is 145705717. The next prime is 145705787. The reversal of 145705763 is 367507541.

145705763 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 145705763 - 28 = 145705507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145704763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55208 + ... + 57786.

It is an arithmetic number, because the mean of its divisors is an integer number (14142270).

Almost surely, 2145705763 is an apocalyptic number.

145705763 is a deficient number, since it is larger than the sum of its proper divisors (24001477).

145705763 is a wasteful number, since it uses less digits than its factorization.

145705763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3746 (or 3739 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 145705763 is about 12070.8642192678. The cubic root of 145705763 is about 526.2097731056.

The spelling of 145705763 in words is "one hundred forty-five million, seven hundred five thousand, seven hundred sixty-three".

Divisors: 1 7 49 1153 2579 8071 18053 56497 126371 2973587 20815109 145705763