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145204432245 = 3351075588387
BaseRepresentation
bin1000011100111011011…
…0111100110101110101
3111212210112202102122000
42013032312330311311
54334334313312440
6150412254525513
713330205211105
oct2071666746565
9455715672560
10145204432245
1156643131114
1224184806899
1310900b9a3c2
147056907205
153b9caaa730
hex21cedbcd75

145204432245 has 16 divisors (see below), whose sum is σ = 258141213120. Its totient is φ = 77442363792.

The previous prime is 145204432211. The next prime is 145204432267. The reversal of 145204432245 is 542234402541.

145204432245 is a `hidden beast` number, since 14 + 5 + 204 + 432 + 2 + 4 + 5 = 666.

It is not a de Polignac number, because 145204432245 - 29 = 145204431733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537794059 + ... + 537794328.

It is an arithmetic number, because the mean of its divisors is an integer number (16133825820).

Almost surely, 2145204432245 is an apocalyptic number.

145204432245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145204432245 is a deficient number, since it is larger than the sum of its proper divisors (112936780875).

145204432245 is a wasteful number, since it uses less digits than its factorization.

145204432245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075588401 (or 1075588395 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 145204432245 its reverse (542234402541), we get a palindrome (687438834786).

The spelling of 145204432245 in words is "one hundred forty-five billion, two hundred four million, four hundred thirty-two thousand, two hundred forty-five".

Divisors: 1 3 5 9 15 27 45 135 1075588387 3226765161 5377941935 9680295483 16133825805 29040886449 48401477415 145204432245