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142629 = 347543
BaseRepresentation
bin100010110100100101
321020122120
4202310211
514031004
63020153
71132554
oct426445
9236576
10142629
1198183
126a659
134cbc6
1439d9b
152c3d9
hex22d25

142629 has 4 divisors (see below), whose sum is σ = 190176. Its totient is φ = 95084.

The previous prime is 142619. The next prime is 142657. The reversal of 142629 is 926241.

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 a cyclic number.

It is not a de Polignac number, because 142629 - 27 = 142501 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 142599 and 142608.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142629.

It is not an unprimeable number, because it can be changed into a prime (142609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23769 + ... + 23774.

It is an arithmetic number, because the mean of its divisors is an integer number (47544).

2142629 is an apocalyptic number.

It is an amenable number.

142629 is a deficient number, since it is larger than the sum of its proper divisors (47547).

142629 is an equidigital number, since it uses as much as digits as its factorization.

142629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47546.

The product of its digits is 864, while the sum is 24.

The square root of 142629 is about 377.6625477857. The cubic root of 142629 is about 52.2479528818.

The spelling of 142629 in words is "one hundred forty-two thousand, six hundred twenty-nine".

Divisors: 1 3 47543 142629