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145415104032 = 253111945715859
BaseRepresentation
bin1000011101101101101…
…0100110011000100000
3111220100020011122222210
42013123122212120200
54340302231312112
6150445222202120
713335343663422
oct2073332463040
9456306148883
10145415104032
1156741042a30
1224223283340
131093571cc73
1470768a6812
153bb1321b3c
hex21db6a6620

145415104032 has 192 divisors, whose sum is σ = 439319462400. Its totient is φ = 41651988480.

The previous prime is 145415104031. The next prime is 145415104049. The reversal of 145415104032 is 230401514541.

It is a super-2 number, since 2×1454151040322 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145415104031) 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 31 ways as a sum of consecutive naturals, for example, 9161319 + ... + 9177177.

It is an arithmetic number, because the mean of its divisors is an integer number (2288122200).

Almost surely, 2145415104032 is an apocalyptic number.

145415104032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145415104032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219659731200).

145415104032 is an abundant number, since it is smaller than the sum of its proper divisors (293904358368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145415104032 is a wasteful number, since it uses less digits than its factorization.

145415104032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16359 (or 16351 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 145415104032 its reverse (230401514541), we get a palindrome (375816618573).

The spelling of 145415104032 in words is "one hundred forty-five billion, four hundred fifteen million, one hundred four thousand, thirty-two".