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145810718 = 272905359
BaseRepresentation
bin10001011000011…
…10010100011110
3101011100221200222
420230032110132
5244311420333
622245121342
73420241064
oct1054162436
9334327628
10145810718
1175340829
12409b9252
1324293141
1415518034
15cc03298
hex8b0e51e

145810718 has 4 divisors (see below), whose sum is σ = 218716080. Its totient is φ = 72905358.

The previous prime is 145810703. The next prime is 145810727. The reversal of 145810718 is 817018541.

145810718 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 817018541 = 7871038143.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36452678 + ... + 36452681.

It is an arithmetic number, because the mean of its divisors is an integer number (54679020).

Almost surely, 2145810718 is an apocalyptic number.

145810718 is a deficient number, since it is larger than the sum of its proper divisors (72905362).

145810718 is an equidigital number, since it uses as much as digits as its factorization.

145810718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72905361.

The product of its (nonzero) digits is 8960, while the sum is 35.

The square root of 145810718 is about 12075.2108884276. The cubic root of 145810718 is about 526.3360895261.

The spelling of 145810718 in words is "one hundred forty-five million, eight hundred ten thousand, seven hundred eighteen".

Divisors: 1 2 72905359 145810718