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1442061045 = 32561613857
BaseRepresentation
bin101010111110100…
…0001101011110101
310201111111021212100
41111331001223311
510423131423140
6355032212313
750510213415
oct12575015365
93644437770
101442061045
11680007897
12342b3a099
1319c9b7479
14d9740645
1586902530
hex55f41af5

1442061045 has 48 divisors (see below), whose sum is σ = 2547662832. Its totient is φ = 754375680.

The previous prime is 1442061043. The next prime is 1442061083. The reversal of 1442061045 is 5401602441.

1442061045 is a `hidden beast` number, since 1 + 4 + 4 + 2 + 0 + 610 + 45 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 309267396 + 1132793649 = 17586^2 + 33657^2 .

It is not a de Polignac number, because 1442061045 - 21 = 1442061043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442061043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1682257 + ... + 1683113.

It is an arithmetic number, because the mean of its divisors is an integer number (53076309).

Almost surely, 21442061045 is an apocalyptic number.

1442061045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1442061045 is a deficient number, since it is larger than the sum of its proper divisors (1105601787).

1442061045 is a wasteful number, since it uses less digits than its factorization.

1442061045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1442061045 is about 37974.4788641003. The cubic root of 1442061045 is about 1129.7817327143.

Adding to 1442061045 its reverse (5401602441), we get a palindrome (6843663486).

The spelling of 1442061045 in words is "one billion, four hundred forty-two million, sixty-one thousand, forty-five".

Divisors: 1 3 5 9 15 45 61 183 305 549 613 857 915 1839 2571 2745 3065 4285 5517 7713 9195 12855 27585 37393 38565 52277 112179 156831 186965 261385 336537 470493 525341 560895 784155 1576023 1682685 2352465 2626705 4728069 7880115 23640345 32045801 96137403 160229005 288412209 480687015 1442061045