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144146213 = 178599871
BaseRepresentation
bin10001001011101…
…11111100100101
3101001020101102122
420211313330211
5243400134323
622145315325
73400136231
oct1045677445
9331211378
10144146213
1174404202
1240335b45
1323b2c623
14152035c1
15c9c4ec8
hex8977f25

144146213 has 8 divisors (see below), whose sum is σ = 152818560. Its totient is φ = 135495360.

The previous prime is 144146209. The next prime is 144146231. The reversal of 144146213 is 312641441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144146213 - 22 = 144146209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144146713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9668 + ... + 19538.

It is an arithmetic number, because the mean of its divisors is an integer number (19102320).

Almost surely, 2144146213 is an apocalyptic number.

It is an amenable number.

144146213 is a deficient number, since it is larger than the sum of its proper divisors (8672347).

144146213 is an equidigital number, since it uses as much as digits as its factorization.

144146213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10747.

The product of its digits is 2304, while the sum is 26.

The square root of 144146213 is about 12006.0906626595. The cubic root of 144146213 is about 524.3256199727.

Adding to 144146213 its reverse (312641441), we get a palindrome (456787654).

The spelling of 144146213 in words is "one hundred forty-four million, one hundred forty-six thousand, two hundred thirteen".

Divisors: 1 17 859 9871 14603 167807 8479189 144146213