142485132 has 12 divisors (see below), whose sum is σ = 332465336. Its totient is φ = 47495040.

The previous prime is 142485131. The next prime is 142485139. The reversal of 142485132 is 231584241.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 142485132.

It is not an unprimeable number, because it can be changed into a prime (142485131) 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, 5936869 + ... + 5936892.

Almost surely, 2^142485132 is an apocalyptic number.

142485132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142485132 is an abundant number, since it is smaller than the sum of its proper divisors (189980204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142485132 is a wasteful number, since it uses less digits than its factorization.

142485132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11873768 (or 11873766 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 142485132 is about 11936.7136180776. The cubic root of 142485132 is about 522.3037969713.

The spelling of 142485132 in words is "one hundred forty-two million, four hundred eighty-five thousand, one hundred thirty-two".