Search a number
-
+
145730287143 = 32723100573007
BaseRepresentation
bin1000011110111000110…
…0111011011000100111
3111221011012020121221100
42013232030323120213
54341423423142033
6150540401451143
713346222000550
oct2075614733047
9457135217840
10145730287143
1156892a47741
12242b0940ab3
1310985b0584c
1470a66ad327
153bcdd2e513
hex21ee33b627

145730287143 has 24 divisors (see below), whose sum is σ = 251030227968. Its totient is φ = 79653820752.

The previous prime is 145730287139. The next prime is 145730287151. The reversal of 145730287143 is 341782037541.

145730287143 is a `hidden beast` number, since 1 + 4 + 573 + 0 + 2 + 8 + 71 + 4 + 3 = 666.

It is not a de Polignac number, because 145730287143 - 22 = 145730287139 is a prime.

It is a super-2 number, since 2×1457302871432 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145730287243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50285055 + ... + 50287952.

It is an arithmetic number, because the mean of its divisors is an integer number (10459592832).

Almost surely, 2145730287143 is an apocalyptic number.

145730287143 is a deficient number, since it is larger than the sum of its proper divisors (105299940825).

145730287143 is a wasteful number, since it uses less digits than its factorization.

145730287143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100573043 (or 100573040 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 145730287143 in words is "one hundred forty-five billion, seven hundred thirty million, two hundred eighty-seven thousand, one hundred forty-three".

Divisors: 1 3 7 9 21 23 63 69 161 207 483 1449 100573007 301719021 704011049 905157063 2112033147 2313179161 6336099441 6939537483 16192254127 20818612449 48576762381 145730287143