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144225355 = 528845071
BaseRepresentation
bin10001001100010…
…11010001001011
3101001101101222211
420212023101023
5243410202410
622151125551
73400616041
oct1046132113
9331341884
10144225355
117445870a
12403738b7
1323b59661
1415224391
15c9dd68a
hex898b44b

144225355 has 4 divisors (see below), whose sum is σ = 173070432. Its totient is φ = 115380280.

The previous prime is 144225343. The next prime is 144225359. The reversal of 144225355 is 553522441.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 144225355 - 27 = 144225227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144225359) 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, 14422531 + ... + 14422540.

It is an arithmetic number, because the mean of its divisors is an integer number (43267608).

Almost surely, 2144225355 is an apocalyptic number.

144225355 is a deficient number, since it is larger than the sum of its proper divisors (28845077).

144225355 is an equidigital number, since it uses as much as digits as its factorization.

144225355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28845076.

The product of its digits is 24000, while the sum is 31.

The square root of 144225355 is about 12009.3861208640. The cubic root of 144225355 is about 524.4215609512.

Adding to 144225355 its reverse (553522441), we get a palindrome (697747796).

The spelling of 144225355 in words is "one hundred forty-four million, two hundred twenty-five thousand, three hundred fifty-five".

Divisors: 1 5 28845071 144225355