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145576309197 = 3114411403309
BaseRepresentation
bin1000011110010100000…
…1100011000111001101
3111220202110111201220110
42013211001203013031
54341120013343242
6150513221310233
713342342132344
oct2074501430715
9456673451813
10145576309197
1156814038840
1224269265379
131095cc43137
14709006ab5b
153bc056639c
hex21e50631cd

145576309197 has 8 divisors (see below), whose sum is σ = 211747358880. Its totient is φ = 88228066160.

The previous prime is 145576309187. The next prime is 145576309201. The reversal of 145576309197 is 791903675541.

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 145576309197 - 216 = 145576243661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145576309157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2205701622 + ... + 2205701687.

It is an arithmetic number, because the mean of its divisors is an integer number (26468419860).

Almost surely, 2145576309197 is an apocalyptic number.

It is an amenable number.

145576309197 is a deficient number, since it is larger than the sum of its proper divisors (66171049683).

145576309197 is a wasteful number, since it uses less digits than its factorization.

145576309197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4411403323.

The product of its (nonzero) digits is 7144200, while the sum is 57.

The spelling of 145576309197 in words is "one hundred forty-five billion, five hundred seventy-six million, three hundred nine thousand, one hundred ninety-seven".

Divisors: 1 3 11 33 4411403309 13234209927 48525436399 145576309197