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145433434450 = 25279257143263
BaseRepresentation
bin1000011101110010000…
…0100001100101010010
3111220101111122221121011
42013130200201211102
54340321424400300
6150451115121134
713335655540033
oct2073440414522
9456344587534
10145433434450
1156750422937
12242294431aa
131093946a475
1470790b8a8a
153bb2c42eba
hex21dc821952

145433434450 has 48 divisors (see below), whose sum is σ = 274998113280. Its totient is φ = 57213112320.

The previous prime is 145433434427. The next prime is 145433434457. The reversal of 145433434450 is 54434334541.

It is not an unprimeable number, because it can be changed into a prime (145433434457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 943519 + ... + 1086781.

It is an arithmetic number, because the mean of its divisors is an integer number (5729127360).

Almost surely, 2145433434450 is an apocalyptic number.

145433434450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145433434450 is a deficient number, since it is larger than the sum of its proper divisors (129564678830).

145433434450 is a wasteful number, since it uses less digits than its factorization.

145433434450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143611 (or 143606 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 145433434450 its reverse (54434334541), we get a palindrome (199867768991).

Subtracting from 145433434450 its reverse (54434334541), we obtain a palindrome (90999099909).

The spelling of 145433434450 in words is "one hundred forty-five billion, four hundred thirty-three million, four hundred thirty-four thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 79 158 257 395 514 790 1285 1975 2570 3950 6425 12850 20303 40606 101515 143263 203030 286526 507575 716315 1015150 1432630 3581575 7163150 11317777 22635554 36818591 56588885 73637182 113177770 184092955 282944425 368185910 565888850 920464775 1840929550 2908668689 5817337378 14543343445 29086686890 72716717225 145433434450