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144503357 = 831117387
BaseRepresentation
bin10001001110011…
…11001000111101
3101001220112100012
420213033020331
5243443101412
622201113005
73403154405
oct1047171075
9331815305
10144503357
1174628569
1240488765
1323c2605b
1415297805
15ca45c22
hex89cf23d

144503357 has 4 divisors (see below), whose sum is σ = 144529056. Its totient is φ = 144477660.

The previous prime is 144503323. The next prime is 144503377. The reversal of 144503357 is 753305441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144503357 - 214 = 144486973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144503377) 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, 383 + ... + 17004.

It is an arithmetic number, because the mean of its divisors is an integer number (36132264).

Almost surely, 2144503357 is an apocalyptic number.

It is an amenable number.

144503357 is a deficient number, since it is larger than the sum of its proper divisors (25699).

144503357 is an equidigital number, since it uses as much as digits as its factorization.

144503357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25698.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 144503357 is about 12020.9549121524. The cubic root of 144503357 is about 524.7582947851.

Adding to 144503357 its reverse (753305441), we get a palindrome (897808798).

The spelling of 144503357 in words is "one hundred forty-four million, five hundred three thousand, three hundred fifty-seven".

Divisors: 1 8311 17387 144503357