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145992820345 = 557151135839
BaseRepresentation
bin1000011111110111011…
…0011010011001111001
3111221211111020200210021
42013331312122121321
54342443130222340
6151022420450441
713355560332511
oct2077566323171
9457744220707
10145992820345
1156a08160829
1224364849a21
13109c8315b38
1470cd4cc841
153be6ddbe4a
hex21fdd9a679

145992820345 has 8 divisors (see below), whose sum is σ = 175498202880. Its totient is φ = 116589710640.

The previous prime is 145992820319. The next prime is 145992820469. The reversal of 145992820345 is 543028299541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-145992820345 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145992820292 and 145992820301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25565065 + ... + 25570774.

It is an arithmetic number, because the mean of its divisors is an integer number (21937275360).

Almost surely, 2145992820345 is an apocalyptic number.

It is an amenable number.

145992820345 is a deficient number, since it is larger than the sum of its proper divisors (29505382535).

145992820345 is an equidigital number, since it uses as much as digits as its factorization.

145992820345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51136415.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 145992820345 in words is "one hundred forty-five billion, nine hundred ninety-two million, eight hundred twenty thousand, three hundred forty-five".

Divisors: 1 5 571 2855 51135839 255679195 29198564069 145992820345