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145164063 = 31122317387
BaseRepresentation
bin10001010011100…
…00011100011111
3101010011002122210
420221300130133
5244130222223
622223211503
73411605562
oct1051603437
9333132583
10145164063
1174a39a00
1240746b93
13240c79c5
14153ca4d9
15cb26893
hex8a7071f

145164063 has 24 divisors (see below), whose sum is σ = 222009984. Its totient is φ = 84148240.

The previous prime is 145164031. The next prime is 145164083. The reversal of 145164063 is 360461541.

145164063 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 145164063 - 25 = 145164031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145164063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145164083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 345 + ... + 17042.

It is an arithmetic number, because the mean of its divisors is an integer number (9250416).

Almost surely, 2145164063 is an apocalyptic number.

145164063 is a deficient number, since it is larger than the sum of its proper divisors (76845921).

145164063 is a wasteful number, since it uses less digits than its factorization.

145164063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17435 (or 17424 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 145164063 is about 12048.4049981730. The cubic root of 145164063 is about 525.5568549534.

The spelling of 145164063 in words is "one hundred forty-five million, one hundred sixty-four thousand, sixty-three".

Divisors: 1 3 11 23 33 69 121 253 363 759 2783 8349 17387 52161 191257 399901 573771 1199703 2103827 4398911 6311481 13196733 48388021 145164063