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142612 = 22101353
BaseRepresentation
bin100010110100010100
321020121221
4202310110
514030422
63020124
71132531
oct426424
9236557
10142612
1198168
126a644
134cbb2
1439d88
152c3c7
hex22d14

142612 has 12 divisors (see below), whose sum is σ = 252756. Its totient is φ = 70400.

The previous prime is 142609. The next prime is 142619. The reversal of 142612 is 216241.

It can be written as a sum of positive squares in 2 ways, for example, as 104976 + 37636 = 324^2 + 194^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228 + ... + 580.

It is an arithmetic number, because the mean of its divisors is an integer number (21063).

2142612 is an apocalyptic number.

It is an amenable number.

142612 is a deficient number, since it is larger than the sum of its proper divisors (110144).

142612 is a wasteful number, since it uses less digits than its factorization.

142612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 456 counting only the distinct ones).

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

The square root of 142612 is about 377.6400402500. The cubic root of 142612 is about 52.2458769821.

Adding to 142612 its reverse (216241), we get a palindrome (358853).

The spelling of 142612 in words is "one hundred forty-two thousand, six hundred twelve".

Divisors: 1 2 4 101 202 353 404 706 1412 35653 71306 142612