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145523341 = 1279113779
BaseRepresentation
bin10001010110010…
…00001010001101
3101010211100111101
420223020022031
5244223221331
622235023101
73414633205
oct1053101215
9333740441
10145523341
1175164927
124089aa91
13241c23b2
1415481405
15cb98061
hex8ac828d

145523341 has 4 divisors (see below), whose sum is σ = 145638400. Its totient is φ = 145408284.

The previous prime is 145523311. The next prime is 145523359. The reversal of 145523341 is 143325541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 143325541 = 1391031119.

It is a cyclic number.

It is not a de Polignac number, because 145523341 - 211 = 145521293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145523311) 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 3 ways as a sum of consecutive naturals, for example, 55611 + ... + 58168.

It is an arithmetic number, because the mean of its divisors is an integer number (36409600).

Almost surely, 2145523341 is an apocalyptic number.

It is an amenable number.

145523341 is a deficient number, since it is larger than the sum of its proper divisors (115059).

145523341 is a wasteful number, since it uses less digits than its factorization.

145523341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115058.

The product of its digits is 7200, while the sum is 28.

The square root of 145523341 is about 12063.3055585938. The cubic root of 145523341 is about 525.9900784608.

Adding to 145523341 its reverse (143325541), we get a palindrome (288848882).

The spelling of 145523341 in words is "one hundred forty-five million, five hundred twenty-three thousand, three hundred forty-one".

Divisors: 1 1279 113779 145523341