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144457359 = 348152453
BaseRepresentation
bin10001001110000…
…11111010001111
3101001211012020120
420213003322033
5243440113414
622200120023
73402603324
oct1047037217
9331735216
10144457359
11745a6a52
1240466013
1323c0b137
1415284b4b
15ca372a9
hex89c3e8f

144457359 has 4 divisors (see below), whose sum is σ = 192609816. Its totient is φ = 96304904.

The previous prime is 144457343. The next prime is 144457447. The reversal of 144457359 is 953754441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 953754441 = 3317918147.

It is a cyclic number.

It is not a de Polignac number, because 144457359 - 24 = 144457343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144457359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144457459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24076224 + ... + 24076229.

It is an arithmetic number, because the mean of its divisors is an integer number (48152454).

Almost surely, 2144457359 is an apocalyptic number.

144457359 is a deficient number, since it is larger than the sum of its proper divisors (48152457).

144457359 is an equidigital number, since it uses as much as digits as its factorization.

144457359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48152456.

The product of its digits is 302400, while the sum is 42.

The square root of 144457359 is about 12019.0415175254. The cubic root of 144457359 is about 524.7026088961.

The spelling of 144457359 in words is "one hundred forty-four million, four hundred fifty-seven thousand, three hundred fifty-nine".

Divisors: 1 3 48152453 144457359