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145168383 = 3471029563
BaseRepresentation
bin10001010011100…
…01011111111111
3101010011022120210
420221301133333
5244130342013
622223243503
73411624303
oct1051613777
9333138523
10145168383
1174a42178
1240749593
13240c9969
14153cbd03
15cb27cc3
hex8a717ff

145168383 has 8 divisors (see below), whose sum is σ = 197676288. Its totient is φ = 94719704.

The previous prime is 145168363. The next prime is 145168393. The reversal of 145168383 is 383861541.

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 145168383 - 212 = 145164287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145168313) 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, 514641 + ... + 514922.

It is an arithmetic number, because the mean of its divisors is an integer number (24709536).

Almost surely, 2145168383 is an apocalyptic number.

145168383 is a deficient number, since it is larger than the sum of its proper divisors (52507905).

145168383 is a wasteful number, since it uses less digits than its factorization.

145168383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029613.

The product of its digits is 69120, while the sum is 39.

The square root of 145168383 is about 12048.5842736813. The cubic root of 145168383 is about 525.5620683261.

The spelling of 145168383 in words is "one hundred forty-five million, one hundred sixty-eight thousand, three hundred eighty-three".

Divisors: 1 3 47 141 1029563 3088689 48389461 145168383