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144517929 = 362577699
BaseRepresentation
bin10001001110100…
…10101100101001
3101001221021022220
420213102230221
5243444033204
622201304253
73403245033
oct1047225451
9331837286
10144517929
1174638506
1240495089
1323c2c88a
141529cc53
15ca4a1d9
hex89d2b29

144517929 has 8 divisors (see below), whose sum is σ = 192746400. Its totient is φ = 96317376.

The previous prime is 144517927. The next prime is 144517943. The reversal of 144517929 is 929715441.

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

It is not a de Polignac number, because 144517929 - 21 = 144517927 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144517927) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14922 + ... + 22620.

It is an arithmetic number, because the mean of its divisors is an integer number (24093300).

Almost surely, 2144517929 is an apocalyptic number.

It is an amenable number.

144517929 is a deficient number, since it is larger than the sum of its proper divisors (48228471).

144517929 is an equidigital number, since it uses as much as digits as its factorization.

144517929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13959.

The product of its digits is 90720, while the sum is 42.

The square root of 144517929 is about 12021.5610051274. The cubic root of 144517929 is about 524.7759334084.

The spelling of 144517929 in words is "one hundred forty-four million, five hundred seventeen thousand, nine hundred twenty-nine".

Divisors: 1 3 6257 7699 18771 23097 48172643 144517929