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145134156 = 22312094513
BaseRepresentation
bin10001010011010…
…01001001001100
3101010002120122010
420221221021030
5244123243111
622222421220
73411422436
oct1051511114
9333076563
10145134156
1174a19492
1240731810
13240b71cb
14153bd656
15cb1caa6
hex8a6924c

145134156 has 12 divisors (see below), whose sum is σ = 338646392. Its totient is φ = 48378048.

The previous prime is 145134133. The next prime is 145134161. The reversal of 145134156 is 651431541.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 6047245 + ... + 6047268.

Almost surely, 2145134156 is an apocalyptic number.

It is an amenable number.

145134156 is an abundant number, since it is smaller than the sum of its proper divisors (193512236).

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

145134156 is a wasteful number, since it uses less digits than its factorization.

145134156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12094520 (or 12094518 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 145134156 is about 12047.1638156041. The cubic root of 145134156 is about 525.5207603717.

Adding to 145134156 its reverse (651431541), we get a palindrome (796565697).

The spelling of 145134156 in words is "one hundred forty-five million, one hundred thirty-four thousand, one hundred fifty-six".

Divisors: 1 2 3 4 6 12 12094513 24189026 36283539 48378052 72567078 145134156