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1442100144 = 243154319471
BaseRepresentation
bin101010111110100…
…1011001110110000
310201111120021111110
41111331023032300
510423134201034
6355033113320
750510435412
oct12575131660
93644507443
101442100144
11680034201
12342b58840
1319c9cc1c4
14d97509b2
158690dde9
hex55f4b3b0

1442100144 has 40 divisors (see below), whose sum is σ = 3728031232. Its totient is φ = 480363840.

The previous prime is 1442100137. The next prime is 1442100151. The reversal of 1442100144 is 4410012441.

It is an interprime number because it is at equal distance from previous prime (1442100137) and next prime (1442100151).

It is a self number, because there is not a number n which added to its sum of digits gives 1442100144.

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 7 ways as a sum of consecutive naturals, for example, 64329 + ... + 83799.

Almost surely, 21442100144 is an apocalyptic number.

It is an amenable number.

1442100144 is an abundant number, since it is smaller than the sum of its proper divisors (2285931088).

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

1442100144 is a wasteful number, since it uses less digits than its factorization.

1442100144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21025 (or 21019 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1442100144 is about 37974.9936668856. The cubic root of 1442100144 is about 1129.7919433169.

Adding to 1442100144 its reverse (4410012441), we get a palindrome (5852112585).

The spelling of 1442100144 in words is "one billion, four hundred forty-two million, one hundred thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 1543 3086 4629 6172 9258 12344 18516 19471 24688 37032 38942 58413 74064 77884 116826 155768 233652 311536 467304 934608 30043753 60087506 90131259 120175012 180262518 240350024 360525036 480700048 721050072 1442100144