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145045532 = 22307911777
BaseRepresentation
bin10001010010100…
…11100000011100
3101002221002001202
420221103200130
5244112424112
622220455032
73410603162
oct1051234034
9332832052
10145045532
1174968945
12406aa478
1324085a78
1415399232
15cb016c2
hex8a5381c

145045532 has 12 divisors (see below), whose sum is σ = 253933680. Its totient is φ = 72493056.

The previous prime is 145045531. The next prime is 145045543. The reversal of 145045532 is 235540541.

It is a junction number, because it is equal to n+sod(n) for n = 145045495 and 145045504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145045531) by changing a digit.

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, 6428 + ... + 18204.

It is an arithmetic number, because the mean of its divisors is an integer number (21161140).

Almost surely, 2145045532 is an apocalyptic number.

It is an amenable number.

145045532 is a deficient number, since it is larger than the sum of its proper divisors (108888148).

145045532 is a wasteful number, since it uses less digits than its factorization.

145045532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14860 (or 14858 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 145045532 is about 12043.4850437903. The cubic root of 145045532 is about 525.4137714629.

The spelling of 145045532 in words is "one hundred forty-five million, forty-five thousand, five hundred thirty-two".

Divisors: 1 2 4 3079 6158 11777 12316 23554 47108 36261383 72522766 145045532