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144134532 = 22331970241
BaseRepresentation
bin10001001011101…
…01000110000100
3101001012210102000
420211311012010
5243344301112
622145145300
73400060203
oct1045650604
9331183360
10144134532
11743a6453
124032b230
1323b27209
14151dd23a
15c9c17dc
hex8975184

144134532 has 48 divisors (see below), whose sum is σ = 393355200. Its totient is φ = 45515520.

The previous prime is 144134519. The next prime is 144134539. The reversal of 144134532 is 235431441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 144134496 and 144134505.

It is not an unprimeable number, because it can be changed into a prime (144134539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33069 + ... + 37172.

It is an arithmetic number, because the mean of its divisors is an integer number (8194900).

Almost surely, 2144134532 is an apocalyptic number.

144134532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144134532 is an abundant number, since it is smaller than the sum of its proper divisors (249220668).

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

144134532 is a wasteful number, since it uses less digits than its factorization.

144134532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70273 (or 70265 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 144134532 is about 12005.6041913766. The cubic root of 144134532 is about 524.3114565459.

Adding to 144134532 its reverse (235431441), we get a palindrome (379565973).

The spelling of 144134532 in words is "one hundred forty-four million, one hundred thirty-four thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 19 27 36 38 54 57 76 108 114 171 228 342 513 684 1026 2052 70241 140482 210723 280964 421446 632169 842892 1264338 1334579 1896507 2528676 2669158 3793014 4003737 5338316 7586028 8007474 12011211 16014948 24022422 36033633 48044844 72067266 144134532