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145455323 = 1311519721
BaseRepresentation
bin10001010101101…
…11100011011011
3101010200220012012
420222313203123
5244214032243
622233340135
73414230666
oct1052674333
9333626165
10145455323
1175118812
124086764b
132419a450
14154646dd
15cb82d18
hex8ab78db

145455323 has 8 divisors (see below), whose sum is σ = 156796416. Its totient is φ = 134136000.

The previous prime is 145455311. The next prime is 145455337. The reversal of 145455323 is 323554541.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 145455323 - 28 = 145455067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145455323.

It is not an unprimeable number, because it can be changed into a prime (145455223) 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, 10103 + ... + 19823.

It is an arithmetic number, because the mean of its divisors is an integer number (19599552).

Almost surely, 2145455323 is an apocalyptic number.

145455323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

145455323 is a deficient number, since it is larger than the sum of its proper divisors (11341093).

145455323 is a wasteful number, since it uses less digits than its factorization.

145455323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10885.

The product of its digits is 36000, while the sum is 32.

The square root of 145455323 is about 12060.4860183991. The cubic root of 145455323 is about 525.9081159650.

The spelling of 145455323 in words is "one hundred forty-five million, four hundred fifty-five thousand, three hundred twenty-three".

Divisors: 1 13 1151 9721 14963 126373 11188871 145455323