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145146175 = 525805847
BaseRepresentation
bin10001010011011…
…00000100111111
3101010010012010021
420221230010333
5244124134200
622222553011
73411502456
oct1051540477
9333105107
10145146175
1174a27519
1240738767
13240bc815
14153c3b9d
15cb2141a
hex8a6c13f

145146175 has 6 divisors (see below), whose sum is σ = 179981288. Its totient is φ = 116116920.

The previous prime is 145146173. The next prime is 145146179. The reversal of 145146175 is 571641541.

145146175 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 145146175 - 21 = 145146173 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 145146175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145146173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2902899 + ... + 2902948.

Almost surely, 2145146175 is an apocalyptic number.

145146175 is a deficient number, since it is larger than the sum of its proper divisors (34835113).

145146175 is an equidigital number, since it uses as much as digits as its factorization.

145146175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5805857 (or 5805852 counting only the distinct ones).

The product of its digits is 16800, while the sum is 34.

The square root of 145146175 is about 12047.6626363789. The cubic root of 145146175 is about 525.5352666277.

The spelling of 145146175 in words is "one hundred forty-five million, one hundred forty-six thousand, one hundred seventy-five".

Divisors: 1 5 25 5805847 29029235 145146175