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144455926 = 272227963
BaseRepresentation
bin10001001110000…
…11100011110110
3101001211010021111
420213003203312
5243440042201
622200105234
73402566206
oct1047034366
9331733244
10144455926
11745a596a
124046521a
1323c0a5a4
1415284406
15ca36b51
hex89c38f6

144455926 has 4 divisors (see below), whose sum is σ = 216683892. Its totient is φ = 72227962.

The previous prime is 144455903. The next prime is 144455981. The reversal of 144455926 is 629554441.

144455926 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, and also an emirpimes, since its reverse is a distinct semiprime: 629554441 = 2392634119.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36113980 + ... + 36113983.

It is an arithmetic number, because the mean of its divisors is an integer number (54170973).

Almost surely, 2144455926 is an apocalyptic number.

144455926 is a deficient number, since it is larger than the sum of its proper divisors (72227966).

144455926 is an equidigital number, since it uses as much as digits as its factorization.

144455926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72227965.

The product of its digits is 172800, while the sum is 40.

The square root of 144455926 is about 12018.9819036389. The cubic root of 144455926 is about 524.7008738944.

The spelling of 144455926 in words is "one hundred forty-four million, four hundred fifty-five thousand, nine hundred twenty-six".

Divisors: 1 2 72227963 144455926