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144353553 = 348117851
BaseRepresentation
bin10001001101010…
…10100100010001
3101001121220211220
420212222210101
5243423303203
622153555253
73401661561
oct1046524421
9331556756
10144353553
1174535a63
1240415b29
1323ba2b06
1415258da1
15ca16653
hex89aa911

144353553 has 4 divisors (see below), whose sum is σ = 192471408. Its totient is φ = 96235700.

The previous prime is 144353527. The next prime is 144353581. The reversal of 144353553 is 355353441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 355353441 = 3118451147.

It is a cyclic number.

It is not a de Polignac number, because 144353553 - 216 = 144288017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144353653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24058923 + ... + 24058928.

It is an arithmetic number, because the mean of its divisors is an integer number (48117852).

Almost surely, 2144353553 is an apocalyptic number.

It is an amenable number.

144353553 is a deficient number, since it is larger than the sum of its proper divisors (48117855).

144353553 is an equidigital number, since it uses as much as digits as its factorization.

144353553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48117854.

The product of its digits is 54000, while the sum is 33.

The square root of 144353553 is about 12014.7223438580. The cubic root of 144353553 is about 524.5768962955.

The spelling of 144353553 in words is "one hundred forty-four million, three hundred fifty-three thousand, five hundred fifty-three".

Divisors: 1 3 48117851 144353553