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144609430 = 25743107449
BaseRepresentation
bin10001001111010…
…01000010010110
3101002002220211211
420213221002112
5244010000210
622203252034
73404105560
oct1047510226
9332086754
10144609430
11746a0229
124051a01a
1323c62414
14152c4330
15ca6738a
hex89e9096

144609430 has 64 divisors (see below), whose sum is σ = 307929600. Its totient is φ = 47867904.

The previous prime is 144609397. The next prime is 144609433. The reversal of 144609430 is 34906441.

144609430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 144609392 and 144609401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144609433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321846 + ... + 322294.

It is an arithmetic number, because the mean of its divisors is an integer number (4811400).

Almost surely, 2144609430 is an apocalyptic number.

144609430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144609430 is an abundant number, since it is smaller than the sum of its proper divisors (163320170).

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

144609430 is a wasteful number, since it uses less digits than its factorization.

144609430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 144609430 is about 12025.3661066930. The cubic root of 144609430 is about 524.8866633654.

The spelling of 144609430 in words is "one hundred forty-four million, six hundred nine thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 43 70 86 107 214 215 301 430 449 535 602 749 898 1070 1498 1505 2245 3010 3143 3745 4490 4601 6286 7490 9202 15715 19307 23005 31430 32207 38614 46010 48043 64414 96086 96535 135149 161035 193070 240215 270298 322070 336301 480430 672602 675745 1351490 1681505 2065849 3363010 4131698 10329245 14460943 20658490 28921886 72304715 144609430