142573806 has 12 divisors (see below), whose sum is σ = 308909952. Its totient is φ = 47524596.

The previous prime is 142573771. The next prime is 142573807. The reversal of 142573806 is 608375241.

142573806 is a `hidden beast` number, since 1 + 4 + 2 + 573 + 80 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142573807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3960366 + ... + 3960401.

It is an arithmetic number, because the mean of its divisors is an integer number (25742496).

Almost surely, 2^142573806 is an apocalyptic number.

142573806 is an abundant number, since it is smaller than the sum of its proper divisors (166336146).

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

142573806 is a wasteful number, since it uses less digits than its factorization.

142573806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7920775 (or 7920772 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 142573806 is about 11940.4273792859. The cubic root of 142573806 is about 522.4121244431.

The spelling of 142573806 in words is "one hundred forty-two million, five hundred seventy-three thousand, eight hundred six".