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145021154323 = 1393779276083
BaseRepresentation
bin1000011100001111101…
…1110011010000010011
3111212022202212221120211
42013003323303100103
54334000403414243
6150342150344551
713322521321123
oct2070373632023
9455282787524
10145021154323
115655972a761
122413335b157
13108a1c19526
14703a438c83
153b8b955d9d
hex21c3ef3413

145021154323 has 8 divisors (see below), whose sum is σ = 146103652800. Its totient is φ = 143939215848.

The previous prime is 145021154321. The next prime is 145021154351. The reversal of 145021154323 is 323451120541.

145021154323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 145021154323 - 21 = 145021154321 is a prime.

It is a super-2 number, since 2×1450211543232 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145021154321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387240 + ... + 663322.

It is an arithmetic number, because the mean of its divisors is an integer number (18262956600).

Almost surely, 2145021154323 is an apocalyptic number.

145021154323 is a deficient number, since it is larger than the sum of its proper divisors (1082498477).

145021154323 is a wasteful number, since it uses less digits than its factorization.

145021154323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280001.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 145021154323 its reverse (323451120541), we get a palindrome (468472274864).

The spelling of 145021154323 in words is "one hundred forty-five billion, twenty-one million, one hundred fifty-four thousand, three hundred twenty-three".

Divisors: 1 139 3779 276083 525281 38375537 1043317657 145021154323