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144342015 = 359622801
BaseRepresentation
bin10001001101001…
…11101111111111
3101001121100000120
420212213233333
5243422421030
622153430023
73401613126
oct1046475777
9331540016
10144342015
1174528324
124040b313
1323b9a79c
1415254abd
15ca13010
hex89a7bff

144342015 has 8 divisors (see below), whose sum is σ = 230947248. Its totient is φ = 76982400.

The previous prime is 144342007. The next prime is 144342041. The reversal of 144342015 is 510243441.

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

It is not a de Polignac number, because 144342015 - 23 = 144342007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4811386 + ... + 4811415.

It is an arithmetic number, because the mean of its divisors is an integer number (28868406).

Almost surely, 2144342015 is an apocalyptic number.

144342015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144342015 is a deficient number, since it is larger than the sum of its proper divisors (86605233).

144342015 is an equidigital number, since it uses as much as digits as its factorization.

144342015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9622809.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 144342015 is about 12014.2421733541. The cubic root of 144342015 is about 524.5629196635.

Adding to 144342015 its reverse (510243441), we get a palindrome (654585456).

The spelling of 144342015 in words is "one hundred forty-four million, three hundred forty-two thousand, fifteen".

Divisors: 1 3 5 15 9622801 28868403 48114005 144342015