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145430130233 = 295641888997
BaseRepresentation
bin1000011101110001001…
…1111010111000111001
3111220101021110002001202
42013130103322320321
54340320103131413
6150450520223545
713335615465533
oct2073423727071
9456337402052
10145430130233
1156749576383
122422830abb5
13109388814cb
147078898853
153bb27dde58
hex21dc4fae39

145430130233 has 8 divisors (see below), whose sum is σ = 150471801480. Its totient is φ = 140390248320.

The previous prime is 145430130229. The next prime is 145430130247. The reversal of 145430130233 is 332031034541.

It can be written as a sum of positive squares in 4 ways, for example, as 102943439104 + 42486691129 = 320848^2 + 206123^2 .

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 145430130233 - 22 = 145430130229 is a prime.

It is a super-2 number, since 2×1454301302332 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145430130196 and 145430130205.

It is not an unprimeable number, because it can be changed into a prime (145430132233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280910 + ... + 608087.

It is an arithmetic number, because the mean of its divisors is an integer number (18808975185).

Almost surely, 2145430130233 is an apocalyptic number.

It is an amenable number.

145430130233 is a deficient number, since it is larger than the sum of its proper divisors (5041671247).

145430130233 is an equidigital number, since it uses as much as digits as its factorization.

145430130233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894667.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 145430130233 its reverse (332031034541), we get a palindrome (477461164774).

The spelling of 145430130233 in words is "one hundred forty-five billion, four hundred thirty million, one hundred thirty thousand, two hundred thirty-three".

Divisors: 1 29 5641 163589 888997 25780913 5014832077 145430130233