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144540430 = 2514997007
BaseRepresentation
bin10001001110110…
…00001100001110
3101001222102012021
420213120030032
5244000243210
622202000354
73403400446
oct1047301416
9331872167
10144540430
1174653401
12404a60ba
1323c39ba8
14152a7126
15ca51bda
hex89d830e

144540430 has 16 divisors (see below), whose sum is σ = 261921600. Its totient is φ = 57427552.

The previous prime is 144540419. The next prime is 144540469. The reversal of 144540430 is 34045441.

144540430 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 = 144540395 and 144540404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47014 + ... + 49993.

It is an arithmetic number, because the mean of its divisors is an integer number (16370100).

Almost surely, 2144540430 is an apocalyptic number.

144540430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144540430 is a deficient number, since it is larger than the sum of its proper divisors (117381170).

144540430 is a wasteful number, since it uses less digits than its factorization.

144540430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97163.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 144540430 is about 12022.4968288621. The cubic root of 144540430 is about 524.8031673315.

Adding to 144540430 its reverse (34045441), we get a palindrome (178585871).

The spelling of 144540430 in words is "one hundred forty-four million, five hundred forty thousand, four hundred thirty".

Divisors: 1 2 5 10 149 298 745 1490 97007 194014 485035 970070 14454043 28908086 72270215 144540430