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145364245 = 5132236373
BaseRepresentation
bin10001010101000…
…01010100010101
3101010112021020221
420222201110111
5244203123440
622231354341
73413401315
oct1052412425
9333467227
10145364245
1175066344
12408229b1
1324167b60
141543d445
15cb65d4a
hex8aa1515

145364245 has 8 divisors (see below), whose sum is σ = 187855416. Its totient is φ = 107345856.

The previous prime is 145364237. The next prime is 145364257. The reversal of 145364245 is 542463541.

It can be written as a sum of positive squares in 4 ways, for example, as 5391684 + 139972561 = 2322^2 + 11831^2 .

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 145364245 - 23 = 145364237 is a prime.

It is a super-2 number, since 2×1453642452 = 42261527448840050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145364245.

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 7 ways as a sum of consecutive naturals, for example, 1118122 + ... + 1118251.

It is an arithmetic number, because the mean of its divisors is an integer number (23481927).

Almost surely, 2145364245 is an apocalyptic number.

It is an amenable number.

145364245 is a deficient number, since it is larger than the sum of its proper divisors (42491171).

145364245 is a wasteful number, since it uses less digits than its factorization.

145364245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236391.

The product of its digits is 57600, while the sum is 34.

The square root of 145364245 is about 12056.7095428230. The cubic root of 145364245 is about 525.7983258722.

It can be divided in two parts, 14536 and 4245, that added together give a palindrome (18781).

The spelling of 145364245 in words is "one hundred forty-five million, three hundred sixty-four thousand, two hundred forty-five".

Divisors: 1 5 13 65 2236373 11181865 29072849 145364245