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1442134155 = 357112354287
BaseRepresentation
bin101010111110101…
…0011100010001011
310201111122000011010
41111331103202023
510423141243110
6355033535003
750510636520
oct12575234213
93644560133
101442134155
11680057810
12342b74463
1319ca11827
14d975d147
1586919020
hex55f5388b

1442134155 has 64 divisors (see below), whose sum is σ = 3001909248. Its totient is φ = 573260160.

The previous prime is 1442134147. The next prime is 1442134171. The reversal of 1442134155 is 5514312441.

It is not a de Polignac number, because 1442134155 - 23 = 1442134147 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 579 + ... + 53708.

It is an arithmetic number, because the mean of its divisors is an integer number (46904832).

Almost surely, 21442134155 is an apocalyptic number.

1442134155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1442134155 is an abundant number, since it is smaller than the sum of its proper divisors (1559775093).

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

1442134155 is a wasteful number, since it uses less digits than its factorization.

1442134155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54336.

The product of its digits is 9600, while the sum is 30.

The square root of 1442134155 is about 37975.4414720882. The cubic root of 1442134155 is about 1129.8008250514.

Adding to 1442134155 its reverse (5514312441), we get a palindrome (6956446596).

The spelling of 1442134155 in words is "one billion, four hundred forty-two million, one hundred thirty-four thousand, one hundred fifty-five".

Divisors: 1 3 5 7 11 15 21 23 33 35 55 69 77 105 115 161 165 231 253 345 385 483 759 805 1155 1265 1771 2415 3795 5313 8855 26565 54287 162861 271435 380009 597157 814305 1140027 1248601 1791471 1900045 2985785 3745803 4180099 5700135 6243005 8740207 8957355 12540297 13734611 18729015 20900495 26220621 41203833 43701035 62701485 68673055 96142277 131103105 206019165 288426831 480711385 1442134155