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144465026 = 272232513
BaseRepresentation
bin10001001110001…
…01110010000010
3101001211120202112
420213011302002
5243440340101
622200215322
73402634556
oct1047056202
9331746675
10144465026
1174601792
124046a542
1323c11784
1415287866
15ca396bb
hex89c5c82

144465026 has 4 divisors (see below), whose sum is σ = 216697542. Its totient is φ = 72232512.

The previous prime is 144464987. The next prime is 144465043. The reversal of 144465026 is 620564441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 620564441 = 788652063.

It can be written as a sum of positive squares in only one way, i.e., 137710225 + 6754801 = 11735^2 + 2599^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144464983 and 144465001.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 36116255 + ... + 36116258.

Almost surely, 2144465026 is an apocalyptic number.

144465026 is a deficient number, since it is larger than the sum of its proper divisors (72232516).

144465026 is an equidigital number, since it uses as much as digits as its factorization.

144465026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72232515.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 144465026 is about 12019.3604655156. The cubic root of 144465026 is about 524.7118915056.

The spelling of 144465026 in words is "one hundred forty-four million, four hundred sixty-five thousand, twenty-six".

Divisors: 1 2 72232513 144465026