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144453470 = 2572294803
BaseRepresentation
bin10001001110000…
…10111101011110
3101001210222220112
420213002331132
5243440002340
622200050022
73402556100
oct1047027536
9331728815
10144453470
11745a4037
1240463912
1323c09435
1415283570
15ca36065
hex89c2f5e

144453470 has 24 divisors (see below), whose sum is σ = 302468904. Its totient is φ = 49526736.

The previous prime is 144453451. The next prime is 144453473. The reversal of 144453470 is 74354441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144453473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146912 + ... + 147891.

It is an arithmetic number, because the mean of its divisors is an integer number (12602871).

Almost surely, 2144453470 is an apocalyptic number.

144453470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144453470 is an abundant number, since it is smaller than the sum of its proper divisors (158015434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144453470 is a wasteful number, since it uses less digits than its factorization.

144453470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294824 (or 294817 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 144453470 is about 12018.8797314891. The cubic root of 144453470 is about 524.6979002708.

The spelling of 144453470 in words is "one hundred forty-four million, four hundred fifty-three thousand, four hundred seventy".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 294803 589606 1474015 2063621 2948030 4127242 10318105 14445347 20636210 28890694 72226735 144453470