142132546 has 8 divisors (see below), whose sum is σ = 225739980. Its totient is φ = 66885888.

The previous prime is 142132541. The next prime is 142132607. The reversal of 142132546 is 645231241.

It can be written as a sum of positive squares in 2 ways, for example, as 112593321 + 29539225 = 10611^2 + 5435^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (142132541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2090151 + ... + 2090218.

Almost surely, 2^142132546 is an apocalyptic number.

142132546 is a deficient number, since it is larger than the sum of its proper divisors (83607434).

142132546 is a wasteful number, since it uses less digits than its factorization.

142132546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4180388.

The product of its digits is 5760, while the sum is 28.

The square root of 142132546 is about 11921.9354972253. The cubic root of 142132546 is about 521.8726195452.

Adding to 142132546 its reverse (645231241), we get a palindrome (787363787).

The spelling of 142132546 in words is "one hundred forty-two million, one hundred thirty-two thousand, five hundred forty-six".