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145205895 = 359680393
BaseRepresentation
bin10001010011110…
…10101010000111
3101010020020001010
420221322222013
5244133042040
622224133303
73412141542
oct1051725207
9333206033
10145205895
1174a6837a
1240767233
1324110a63
14153db859
15cb33e80
hex8a7aa87

145205895 has 8 divisors (see below), whose sum is σ = 232329456. Its totient is φ = 77443136.

The previous prime is 145205881. The next prime is 145205899. The reversal of 145205895 is 598502541.

145205895 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 not a de Polignac number, because 145205895 - 214 = 145189511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145205899) 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, 4840182 + ... + 4840211.

It is an arithmetic number, because the mean of its divisors is an integer number (29041182).

Almost surely, 2145205895 is an apocalyptic number.

145205895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145205895 is a deficient number, since it is larger than the sum of its proper divisors (87123561).

145205895 is an equidigital number, since it uses as much as digits as its factorization.

145205895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9680401.

The product of its (nonzero) digits is 72000, while the sum is 39.

The square root of 145205895 is about 12050.1408705459. The cubic root of 145205895 is about 525.6073334314.

The spelling of 145205895 in words is "one hundred forty-five million, two hundred five thousand, eight hundred ninety-five".

Divisors: 1 3 5 15 9680393 29041179 48401965 145205895