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145023343 = 3113531321
BaseRepresentation
bin10001010010011…
…10000101101111
3101002212221121221
420221032011233
5244111221333
622220204211
73410451403
oct1051160557
9332787557
10145023343
1174953203
1240699667
132407893a
1415391103
15cae9d2d
hex8a4e16f

145023343 has 8 divisors (see below), whose sum is σ = 146012256. Its totient is φ = 144038400.

The previous prime is 145023337. The next prime is 145023377. The reversal of 145023343 is 343320541.

145023343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-145023343 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 (145023643) 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, 109123 + ... + 110443.

It is an arithmetic number, because the mean of its divisors is an integer number (18251532).

Almost surely, 2145023343 is an apocalyptic number.

145023343 is a deficient number, since it is larger than the sum of its proper divisors (988913).

145023343 is a wasteful number, since it uses less digits than its factorization.

145023343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 145023343 is about 12042.5638051040. The cubic root of 145023343 is about 525.3869775761.

Adding to 145023343 its reverse (343320541), we get a palindrome (488343884).

The spelling of 145023343 in words is "one hundred forty-five million, twenty-three thousand, three hundred forty-three".

Divisors: 1 311 353 1321 109783 410831 466313 145023343