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144012464 = 249000779
BaseRepresentation
bin10001001010101…
…11010010110000
3101000222120221222
420211113102300
5243331344324
622142404212
73366041261
oct1045272260
9330876858
10144012464
1174322772
1240290668
1323ab379b
14151aa968
15c99a55e
hex89574b0

144012464 has 10 divisors (see below), whose sum is σ = 279024180. Its totient is φ = 72006224.

The previous prime is 144012439. The next prime is 144012467. The reversal of 144012464 is 464210441.

It is not an unprimeable number, because it can be changed into a prime (144012467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4500374 + ... + 4500405.

It is an arithmetic number, because the mean of its divisors is an integer number (27902418).

Almost surely, 2144012464 is an apocalyptic number.

It is an amenable number.

144012464 is a deficient number, since it is larger than the sum of its proper divisors (135011716).

144012464 is an equidigital number, since it uses as much as digits as its factorization.

144012464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9000787 (or 9000781 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 144012464 is about 12000.5193220960. The cubic root of 144012464 is about 524.1634010540.

The spelling of 144012464 in words is "one hundred forty-four million, twelve thousand, four hundred sixty-four".

Divisors: 1 2 4 8 16 9000779 18001558 36003116 72006232 144012464