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144343144 = 23111640263
BaseRepresentation
bin10001001101010…
…00000001101000
3101001121101120101
420212220001220
5243422440034
622153435144
73401616331
oct1046500150
9331541511
10144343144
1174529160
124040bab4
1323b9b15a
1415255288
15ca13514
hex89a8068

144343144 has 16 divisors (see below), whose sum is σ = 295247520. Its totient is φ = 65610480.

The previous prime is 144343139. The next prime is 144343151. The reversal of 144343144 is 441343441.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 820044 + ... + 820219.

It is an arithmetic number, because the mean of its divisors is an integer number (18452970).

Almost surely, 2144343144 is an apocalyptic number.

It is an amenable number.

144343144 is an abundant number, since it is smaller than the sum of its proper divisors (150904376).

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

144343144 is a wasteful number, since it uses less digits than its factorization.

144343144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640280 (or 1640276 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

The square root of 144343144 is about 12014.2891591638. The cubic root of 144343144 is about 524.5642873179.

Adding to 144343144 its reverse (441343441), we get a palindrome (585686585).

It can be divided in two parts, 14434 and 3144, that added together give a triangular number (17578 = T187).

The spelling of 144343144 in words is "one hundred forty-four million, three hundred forty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 22 44 88 1640263 3280526 6561052 13122104 18042893 36085786 72171572 144343144