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144688353 = 348229451
BaseRepresentation
bin10001001111111…
…00010011100001
3101002020221002220
420213330103201
5244020011403
622205101253
73404554635
oct1047742341
9332227086
10144688353
1174744557
1240557829
1323c8c314
1415304dc5
15ca80953
hex89fc4e1

144688353 has 4 divisors (see below), whose sum is σ = 192917808. Its totient is φ = 96458900.

The previous prime is 144688301. The next prime is 144688367. The reversal of 144688353 is 353886441.

144688353 is digitally balanced in base 2, 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144688353 - 218 = 144426209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144688393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24114723 + ... + 24114728.

It is an arithmetic number, because the mean of its divisors is an integer number (48229452).

Almost surely, 2144688353 is an apocalyptic number.

It is an amenable number.

144688353 is a deficient number, since it is larger than the sum of its proper divisors (48229455).

144688353 is an equidigital number, since it uses as much as digits as its factorization.

144688353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48229454.

The product of its digits is 276480, while the sum is 42.

The square root of 144688353 is about 12028.6471807930. The cubic root of 144688353 is about 524.9821345394.

The spelling of 144688353 in words is "one hundred forty-four million, six hundred eighty-eight thousand, three hundred fifty-three".

Divisors: 1 3 48229451 144688353