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142340101 = 148795723
BaseRepresentation
bin10000111101111…
…11000000000101
3100220211121220121
420132333000011
5242414340401
622042501541
73345604501
oct1036770005
9326747817
10142340101
1173390252
123b8048b1
1323649517
1414c93301
15c769ca1
hex87bf005

142340101 has 4 divisors (see below), whose sum is σ = 142437312. Its totient is φ = 142242892.

The previous prime is 142340089. The next prime is 142340113. The reversal of 142340101 is 101043241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (142340089) and next prime (142340113).

It is a cyclic number.

It is not a de Polignac number, because 142340101 - 27 = 142339973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142340131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46375 + ... + 49348.

It is an arithmetic number, because the mean of its divisors is an integer number (35609328).

Almost surely, 2142340101 is an apocalyptic number.

It is an amenable number.

142340101 is a deficient number, since it is larger than the sum of its proper divisors (97211).

142340101 is an equidigital number, since it uses as much as digits as its factorization.

142340101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97210.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 142340101 is about 11930.6370743561. The cubic root of 142340101 is about 522.1265247729.

Adding to 142340101 its reverse (101043241), we get a palindrome (243383342).

The spelling of 142340101 in words is "one hundred forty-two million, three hundred forty thousand, one hundred one".

Divisors: 1 1487 95723 142340101