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142114851 = 33191391993
BaseRepresentation
bin10000111100010…
…00000000100011
3100220102011221000
420132020000203
5242340133401
622034003043
73343646004
oct1036100043
9326364830
10142114851
1173246a9a
123b716483
132359ab38
1414c351ab
15c723186
hex8788023

142114851 has 32 divisors (see below), whose sum is σ = 223328000. Its totient is φ = 89066304.

The previous prime is 142114837. The next prime is 142114901. The reversal of 142114851 is 158411241.

It is a happy number.

It is not a de Polignac number, because 142114851 - 26 = 142114787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142114051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70311 + ... + 72303.

It is an arithmetic number, because the mean of its divisors is an integer number (6979000).

Almost surely, 2142114851 is an apocalyptic number.

142114851 is a deficient number, since it is larger than the sum of its proper divisors (81213149).

142114851 is a wasteful number, since it uses less digits than its factorization.

142114851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160 (or 2154 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 142114851 is about 11921.1933546940. The cubic root of 142114851 is about 521.8509615471.

The spelling of 142114851 in words is "one hundred forty-two million, one hundred fourteen thousand, eight hundred fifty-one".

Divisors: 1 3 9 19 27 57 139 171 417 513 1251 1993 2641 3753 5979 7923 17937 23769 37867 53811 71307 113601 277027 340803 831081 1022409 2493243 5263513 7479729 15790539 47371617 142114851