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145033325 = 5216335591
BaseRepresentation
bin10001010010100…
…00100001101101
3101002220110022122
420221100201231
5244112031300
622220322325
73410522453
oct1051204155
9332813278
10145033325
117495a758
12406a33a5
1324080348
14153949d3
15caecc85
hex8a5086d

145033325 has 12 divisors (see below), whose sum is σ = 180949728. Its totient is φ = 115311600.

The previous prime is 145033297. The next prime is 145033349. The reversal of 145033325 is 523330541.

It is a de Polignac number, because none of the positive numbers 2k-145033325 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145033294 and 145033303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13721 + ... + 21870.

It is an arithmetic number, because the mean of its divisors is an integer number (15079144).

Almost surely, 2145033325 is an apocalyptic number.

It is an amenable number.

145033325 is a deficient number, since it is larger than the sum of its proper divisors (35916403).

145033325 is a wasteful number, since it uses less digits than its factorization.

145033325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35764 (or 35759 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 145033325 is about 12042.9782446038. The cubic root of 145033325 is about 525.3990314804.

Adding to 145033325 its reverse (523330541), we get a palindrome (668363866).

The spelling of 145033325 in words is "one hundred forty-five million, thirty-three thousand, three hundred twenty-five".

Divisors: 1 5 25 163 815 4075 35591 177955 889775 5801333 29006665 145033325