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144953429 = 236302323
BaseRepresentation
bin10001010001111…
…01000001010101
3101002202101201112
420220331001111
5244102002204
622214504405
73410040515
oct1050750125
9332671645
10144953429
1174905725
1240665105
1324052b7a
1415373845
15cad426e
hex8a3d055

144953429 has 4 divisors (see below), whose sum is σ = 151255776. Its totient is φ = 138651084.

The previous prime is 144953401. The next prime is 144953437. The reversal of 144953429 is 924359441.

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 not a de Polignac number, because 144953429 - 212 = 144949333 is a prime.

It is a super-2 number, since 2×1449534292 = 42022993157716082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144953329) 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, 3151139 + ... + 3151184.

It is an arithmetic number, because the mean of its divisors is an integer number (37813944).

Almost surely, 2144953429 is an apocalyptic number.

It is an amenable number.

144953429 is a deficient number, since it is larger than the sum of its proper divisors (6302347).

144953429 is an equidigital number, since it uses as much as digits as its factorization.

144953429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6302346.

The product of its digits is 155520, while the sum is 41.

The square root of 144953429 is about 12039.6606679757. The cubic root of 144953429 is about 525.3025364357.

The spelling of 144953429 in words is "one hundred forty-four million, nine hundred fifty-three thousand, four hundred twenty-nine".

Divisors: 1 23 6302323 144953429