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143443322452 = 22229715612029
BaseRepresentation
bin1000010110010111100…
…0110110011001010100
3111201020210220210011101
42011211320312121110
54322232442304302
6145521424115444
713235442060163
oct2054570663124
9451223823141
10143443322452
115591a01a281
1223972a65b84
13106b00759c1
146d2aa753da
153ae8185287
hex2165e36654

143443322452 has 12 divisors (see below), whose sum is σ = 251135114580. Its totient is φ = 71690432576.

The previous prime is 143443322447. The next prime is 143443322459. The reversal of 143443322452 is 254223344341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37560765636 + 105882556816 = 193806^2 + 325396^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143443322459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7796827 + ... + 7815202.

It is an arithmetic number, because the mean of its divisors is an integer number (20927926215).

Almost surely, 2143443322452 is an apocalyptic number.

It is an amenable number.

143443322452 is a deficient number, since it is larger than the sum of its proper divisors (107691792128).

143443322452 is a wasteful number, since it uses less digits than its factorization.

143443322452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15614330 (or 15614328 counting only the distinct ones).

The product of its digits is 276480, while the sum is 37.

Adding to 143443322452 its reverse (254223344341), we get a palindrome (397666666793).

The spelling of 143443322452 in words is "one hundred forty-three billion, four hundred forty-three million, three hundred twenty-two thousand, four hundred fifty-two".

Divisors: 1 2 4 2297 4594 9188 15612029 31224058 62448116 35860830613 71721661226 143443322452