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144102664 = 2356931657
BaseRepresentation
bin10001001011011…
…01010100001000
3101001011011200201
420211231110020
5243342241124
622144341544
73366565246
oct1045552410
9331134621
10144102664
1174384512
12403148b4
1323b15864
14151d1796
15c9b7144
hex896d508

144102664 has 16 divisors (see below), whose sum is σ = 270675900. Its totient is φ = 71922432.

The previous prime is 144102649. The next prime is 144102667. The reversal of 144102664 is 466201441.

It can be written as a sum of positive squares in 2 ways, for example, as 139004100 + 5098564 = 11790^2 + 2258^2 .

It is not an unprimeable number, because it can be changed into a prime (144102667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11277 + ... + 20380.

Almost surely, 2144102664 is an apocalyptic number.

It is an amenable number.

144102664 is a deficient number, since it is larger than the sum of its proper divisors (126573236).

144102664 is a wasteful number, since it uses less digits than its factorization.

144102664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32232 (or 32228 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 144102664 is about 12004.2769045037. The cubic root of 144102664 is about 524.2728121192.

The spelling of 144102664 in words is "one hundred forty-four million, one hundred two thousand, six hundred sixty-four".

Divisors: 1 2 4 8 569 1138 2276 4552 31657 63314 126628 253256 18012833 36025666 72051332 144102664