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145034452 = 22291250297
BaseRepresentation
bin10001010010100…
…00110011010100
3101002220111212101
420221100303110
5244112100302
622220331444
73410525653
oct1051206324
9332814771
10145034452
1174960592
12406a3b84
1324080a04
141539519a
15caed287
hex8a50cd4

145034452 has 12 divisors (see below), whose sum is σ = 262562580. Its totient is φ = 70016576.

The previous prime is 145034411. The next prime is 145034453. The reversal of 145034452 is 254430541.

It can be written as a sum of positive squares in 2 ways, for example, as 48916036 + 96118416 = 6994^2 + 9804^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 145034452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145034453) 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, 625033 + ... + 625264.

It is an arithmetic number, because the mean of its divisors is an integer number (21880215).

Almost surely, 2145034452 is an apocalyptic number.

It is an amenable number.

145034452 is a deficient number, since it is larger than the sum of its proper divisors (117528128).

145034452 is a wasteful number, since it uses less digits than its factorization.

145034452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250330 (or 1250328 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 145034452 is about 12043.0250352642. The cubic root of 145034452 is about 525.4003923703.

Adding to 145034452 its reverse (254430541), we get a palindrome (399464993).

The spelling of 145034452 in words is "one hundred forty-five million, thirty-four thousand, four hundred fifty-two".

Divisors: 1 2 4 29 58 116 1250297 2500594 5001188 36258613 72517226 145034452