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145131123234 = 2333437235573
BaseRepresentation
bin1000011100101001111…
…1010011001000100010
3111212121102210221120110
42013022133103020202
54334212031420414
6150401115352150
713325325123156
oct2071237231042
9455542727513
10145131123234
115660580aa59
1224164152656
13108bb9406a6
14704aca3066
153b96429459
hex21ca7d3222

145131123234 has 16 divisors (see below), whose sum is σ = 290349113472. Its totient is φ = 48362563248.

The previous prime is 145131123227. The next prime is 145131123281. The reversal of 145131123234 is 432321131541.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3597729 + ... + 3637844.

It is an arithmetic number, because the mean of its divisors is an integer number (18146819592).

Almost surely, 2145131123234 is an apocalyptic number.

145131123234 is an abundant number, since it is smaller than the sum of its proper divisors (145217990238).

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

145131123234 is a wasteful number, since it uses less digits than its factorization.

145131123234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7238921.

The product of its digits is 8640, while the sum is 30.

Adding to 145131123234 its reverse (432321131541), we get a palindrome (577452254775).

The spelling of 145131123234 in words is "one hundred forty-five billion, one hundred thirty-one million, one hundred twenty-three thousand, two hundred thirty-four".

Divisors: 1 2 3 6 3343 6686 10029 20058 7235573 14471146 21706719 43413438 24188520539 48377041078 72565561617 145131123234