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145444010 = 25172573329
BaseRepresentation
bin10001010101101…
…00110010101010
3101010200022200012
420222310302222
5244213202020
622233211522
73414153005
oct1052646252
9333608605
10145444010
1175110268
1240860ba2
132419525a
141546053c
15cb7e7c5
hex8ab4caa

145444010 has 32 divisors (see below), whose sum is σ = 278361360. Its totient is φ = 54525952.

The previous prime is 145444007. The next prime is 145444037. The reversal of 145444010 is 10444541.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 119749249 + 25694761 = 10943^2 + 5069^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42026 + ... + 45354.

Almost surely, 2145444010 is an apocalyptic number.

145444010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145444010 is a deficient number, since it is larger than the sum of its proper divisors (132917350).

145444010 is a wasteful number, since it uses less digits than its factorization.

145444010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3610.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 145444010 is about 12060.0169983296. The cubic root of 145444010 is about 525.8944811878.

Adding to 145444010 its reverse (10444541), we get a palindrome (155888551).

The spelling of 145444010 in words is "one hundred forty-five million, four hundred forty-four thousand, ten".

Divisors: 1 2 5 10 17 34 85 170 257 514 1285 2570 3329 4369 6658 8738 16645 21845 33290 43690 56593 113186 282965 565930 855553 1711106 4277765 8555530 14544401 29088802 72722005 145444010