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144912226 = 2139521267
BaseRepresentation
bin10001010001100…
…10111101100010
3101002200022012111
420220302331202
5244044142401
622213545534
73406506424
oct1050627542
9332608174
10144912226
1174887778
12406452aa
132403a1a4
1415362814
15cac6e51
hex8a32f62

144912226 has 8 divisors (see below), whose sum is σ = 218932560. Its totient is φ = 71934708.

The previous prime is 144912179. The next prime is 144912269. The reversal of 144912226 is 622219441.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260356 + ... + 260911.

It is an arithmetic number, because the mean of its divisors is an integer number (27366570).

Almost surely, 2144912226 is an apocalyptic number.

144912226 is a deficient number, since it is larger than the sum of its proper divisors (74020334).

144912226 is a wasteful number, since it uses less digits than its factorization.

144912226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521408.

The product of its digits is 6912, while the sum is 31.

The square root of 144912226 is about 12037.9494100947. The cubic root of 144912226 is about 525.2527593184.

The spelling of 144912226 in words is "one hundred forty-four million, nine hundred twelve thousand, two hundred twenty-six".

Divisors: 1 2 139 278 521267 1042534 72456113 144912226