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144141605 = 528828321
BaseRepresentation
bin10001001011101…
…10110100100101
3101001020011002222
420211312310211
5243400012410
622145242125
73400116626
oct1045666445
9331204088
10144141605
11744007a3
1240333345
1323b2a4ba
1415201a4d
15c9c3955
hex8976d25

144141605 has 4 divisors (see below), whose sum is σ = 172969932. Its totient is φ = 115313280.

The previous prime is 144141601. The next prime is 144141607. The reversal of 144141605 is 506141441.

144141605 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.

It can be written as a sum of positive squares in 2 ways, for example, as 84897796 + 59243809 = 9214^2 + 7697^2 .

It is not a de Polignac number, because 144141605 - 22 = 144141601 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144141601) 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, 14414156 + ... + 14414165.

It is an arithmetic number, because the mean of its divisors is an integer number (43242483).

Almost surely, 2144141605 is an apocalyptic number.

It is an amenable number.

144141605 is a deficient number, since it is larger than the sum of its proper divisors (28828327).

144141605 is an equidigital number, since it uses as much as digits as its factorization.

144141605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28828326.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 144141605 is about 12005.8987585270. The cubic root of 144141605 is about 524.3200327796.

The spelling of 144141605 in words is "one hundred forty-four million, one hundred forty-one thousand, six hundred five".

Divisors: 1 5 28828321 144141605