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144230414 = 21731136841
BaseRepresentation
bin10001001100011…
…00100000001110
3101001101122221012
420212030200032
5243410333124
622151205222
73400636556
oct1046144016
9331348835
10144230414
1174461499
1240376812
1323b5ba53
1415226166
15c9dee0e
hex898c80e

144230414 has 16 divisors (see below), whose sum is σ = 236462976. Its totient is φ = 65683200.

The previous prime is 144230381. The next prime is 144230419. The reversal of 144230414 is 414032441.

It is a happy number.

It is a super-2 number, since 2×1442304142 = 41604824645222792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144230414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144230419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67367 + ... + 69474.

It is an arithmetic number, because the mean of its divisors is an integer number (14778936).

Almost surely, 2144230414 is an apocalyptic number.

144230414 is a deficient number, since it is larger than the sum of its proper divisors (92232562).

144230414 is a wasteful number, since it uses less digits than its factorization.

144230414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136891.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 144230414 is about 12009.5967459361. The cubic root of 144230414 is about 524.4276926000.

Adding to 144230414 its reverse (414032441), we get a palindrome (558262855).

The spelling of 144230414 in words is "one hundred forty-four million, two hundred thirty thousand, four hundred fourteen".

Divisors: 1 2 17 31 34 62 527 1054 136841 273682 2326297 4242071 4652594 8484142 72115207 144230414