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144290365 = 528858073
BaseRepresentation
bin10001001100110…
…11001000111101
3101001111201011121
420212123020331
5243414242430
622152350541
73401306422
oct1046331075
9331451147
10144290365
11744a253a
12403a5451
1323b8011b
141523dd49
15ca02a7a
hex899b23d

144290365 has 4 divisors (see below), whose sum is σ = 173148444. Its totient is φ = 115432288.

The previous prime is 144290359. The next prime is 144290369. The reversal of 144290365 is 563092441.

It is a happy number.

144290365 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 50083929 + 94206436 = 7077^2 + 9706^2 .

It is a cyclic number.

It is not a de Polignac number, because 144290365 - 29 = 144289853 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 144290365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144290369) 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, 14429032 + ... + 14429041.

It is an arithmetic number, because the mean of its divisors is an integer number (43287111).

Almost surely, 2144290365 is an apocalyptic number.

It is an amenable number.

144290365 is a deficient number, since it is larger than the sum of its proper divisors (28858079).

144290365 is an equidigital number, since it uses as much as digits as its factorization.

144290365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28858078.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 144290365 is about 12012.0924488617. The cubic root of 144290365 is about 524.5003439653.

The spelling of 144290365 in words is "one hundred forty-four million, two hundred ninety thousand, three hundred sixty-five".

Divisors: 1 5 28858073 144290365