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145223232032 = 2512735734063
BaseRepresentation
bin1000011100111111111…
…0101010101000100000
3111212211212010120002102
42013033332222220200
54334404121411112
6150414205505532
713330524051014
oct2071776525040
9455755116072
10145223232032
115665280172a
122418ab722a8
1310904a50438
1470591dc544
153b9e570bc2
hex21cffaaa20

145223232032 has 24 divisors (see below), whose sum is σ = 288159492096. Its totient is φ = 72039868992.

The previous prime is 145223232031. The next prime is 145223232073. The reversal of 145223232032 is 230232322541.

145223232032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1452232320322 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145223231986 and 145223232004.

It is not an unprimeable number, because it can be changed into a prime (145223232031) 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 3 ways as a sum of consecutive naturals, for example, 17862968 + ... + 17871095.

It is an arithmetic number, because the mean of its divisors is an integer number (12006645504).

Almost surely, 2145223232032 is an apocalyptic number.

It is an amenable number.

145223232032 is a deficient number, since it is larger than the sum of its proper divisors (142936260064).

145223232032 is a wasteful number, since it uses less digits than its factorization.

145223232032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35734200 (or 35734192 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 145223232032 its reverse (230232322541), we get a palindrome (375455554573).

The spelling of 145223232032 in words is "one hundred forty-five billion, two hundred twenty-three million, two hundred thirty-two thousand, thirty-two".

Divisors: 1 2 4 8 16 32 127 254 508 1016 2032 4064 35734063 71468126 142936252 285872504 571745008 1143490016 4538226001 9076452002 18152904004 36305808008 72611616016 145223232032