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144340026 = 2397724623
BaseRepresentation
bin10001001101001…
…11010000111010
3101001121020021220
420212213100322
5243422340101
622153412510
73401604255
oct1046472072
9331536256
10144340026
1174526886
124040a136
1323b998cc
141525409c
15ca12636
hex89a743a

144340026 has 16 divisors (see below), whose sum is σ = 288987264. Its totient is φ = 48062144.

The previous prime is 144340003. The next prime is 144340033. The reversal of 144340026 is 620043441.

It is a junction number, because it is equal to n+sod(n) for n = 144339978 and 144340005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6450 + ... + 18173.

It is an arithmetic number, because the mean of its divisors is an integer number (18061704).

Almost surely, 2144340026 is an apocalyptic number.

144340026 is an abundant number, since it is smaller than the sum of its proper divisors (144647238).

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

144340026 is a wasteful number, since it uses less digits than its factorization.

144340026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25605.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 144340026 is about 12014.1593963123. The cubic root of 144340026 is about 524.5605102000.

Adding to 144340026 its reverse (620043441), we get a palindrome (764383467).

The spelling of 144340026 in words is "one hundred forty-four million, three hundred forty thousand, twenty-six".

Divisors: 1 2 3 6 977 1954 2931 5862 24623 49246 73869 147738 24056671 48113342 72170013 144340026