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145463632 = 249091477
BaseRepresentation
bin10001010101110…
…01100101010000
3101010201022120221
420222321211100
5244214314012
622233442424
73414264136
oct1052714520
9333638527
10145463632
1175123a86
1240870414
13241a1172
1415467756
15cb85507
hex8ab9950

145463632 has 10 divisors (see below), whose sum is σ = 281835818. Its totient is φ = 72731808.

The previous prime is 145463629. The next prime is 145463651. The reversal of 145463632 is 236364541.

145463632 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 112699456 + 32764176 = 10616^2 + 5724^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4545723 + ... + 4545754.

Almost surely, 2145463632 is an apocalyptic number.

It is an amenable number.

145463632 is a deficient number, since it is larger than the sum of its proper divisors (136372186).

145463632 is an equidigital number, since it uses as much as digits as its factorization.

145463632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9091485 (or 9091479 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 145463632 is about 12060.8304855014. The cubic root of 145463632 is about 525.9181297783.

Subtracting 145463632 from its reverse (236364541), we obtain a palindrome (90900909).

The spelling of 145463632 in words is "one hundred forty-five million, four hundred sixty-three thousand, six hundred thirty-two".

Divisors: 1 2 4 8 16 9091477 18182954 36365908 72731816 145463632