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145041323 = 73422861
BaseRepresentation
bin10001010010100…
…10011110101011
3101002220212021212
420221102132223
5244112310243
622220423335
73410555000
oct1051223653
9332825255
10145041323
1174965769
12406a7b4b
1324083b8b
14153978a7
15cb00318
hex8a527ab

145041323 has 8 divisors (see below), whose sum is σ = 169144800. Its totient is φ = 124320840.

The previous prime is 145041311. The next prime is 145041329. The reversal of 145041323 is 323140541.

145041323 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 145041323 - 224 = 128264107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145041329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211088 + ... + 211773.

It is an arithmetic number, because the mean of its divisors is an integer number (21143100).

Almost surely, 2145041323 is an apocalyptic number.

145041323 is a deficient number, since it is larger than the sum of its proper divisors (24103477).

145041323 is an frugal number, since it uses more digits than its factorization.

145041323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422882 (or 422868 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 145041323 is about 12043.3103007437. The cubic root of 145041323 is about 525.4086891785.

Adding to 145041323 its reverse (323140541), we get a palindrome (468181864).

The spelling of 145041323 in words is "one hundred forty-five million, forty-one thousand, three hundred twenty-three".

Divisors: 1 7 49 343 422861 2960027 20720189 145041323