142855492 has 12 divisors (see below), whose sum is σ = 269227756. Its totient is φ = 65933280.

The previous prime is 142855487. The next prime is 142855499. The reversal of 142855492 is 294558241.

It is a happy number.

142855492 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8620096 + 134235396 = 2936^2 + 11586^2 .

It is not an unprimeable number, because it can be changed into a prime (142855499) 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, 1373559 + ... + 1373662.

Almost surely, 2^142855492 is an apocalyptic number.

It is an amenable number.

142855492 is a deficient number, since it is larger than the sum of its proper divisors (126372264).

142855492 is a wasteful number, since it uses less digits than its factorization.

142855492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747238 (or 2747236 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 142855492 is about 11952.2170328354. The cubic root of 142855492 is about 522.7559449033.

The spelling of 142855492 in words is "one hundred forty-two million, eight hundred fifty-five thousand, four hundred ninety-two".