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145453045331 = 1179167379799
BaseRepresentation
bin1000011101110110101…
…1010101011001010011
3111220102212120021200002
42013131223111121103
54340341434422311
6150453055320215
713336314325436
oct2073553253123
9456385507602
10145453045331
11567604a7880
1224233b2006b
1310940545739
14707b94181d
153bb481893b
hex21ddad5653

145453045331 has 8 divisors (see below), whose sum is σ = 160684608000. Its totient is φ = 130556242440.

The previous prime is 145453045321. The next prime is 145453045343. The reversal of 145453045331 is 133540354541.

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 145453045331 - 26 = 145453045267 is a prime.

It is a super-2 number, since 2×1454530453312 (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 (145453045321) 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, 83689031 + ... + 83690768.

It is an arithmetic number, because the mean of its divisors is an integer number (20085576000).

Almost surely, 2145453045331 is an apocalyptic number.

145453045331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

145453045331 is a deficient number, since it is larger than the sum of its proper divisors (15231562669).

145453045331 is a wasteful number, since it uses less digits than its factorization.

145453045331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167379889.

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 145453045331 its reverse (133540354541), we get a palindrome (278993399872).

The spelling of 145453045331 in words is "one hundred forty-five billion, four hundred fifty-three million, forty-five thousand, three hundred thirty-one".

Divisors: 1 11 79 869 167379799 1841177789 13223004121 145453045331