142573885 has 4 divisors (see below), whose sum is σ = 171088668. Its totient is φ = 114059104.

The previous prime is 142573877. The next prime is 142573901. The reversal of 142573885 is 588375241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32512804 + 110061081 = 5702^2 + 10491^2 .

It is a cyclic number.

It is not a de Polignac number, because 142573885 - 2³ = 142573877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14257384 + ... + 14257393.

It is an arithmetic number, because the mean of its divisors is an integer number (42772167).

Almost surely, 2^142573885 is an apocalyptic number.

It is an amenable number.

142573885 is a deficient number, since it is larger than the sum of its proper divisors (28514783).

142573885 is an equidigital number, since it uses as much as digits as its factorization.

142573885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28514782.

The product of its digits is 268800, while the sum is 43.

The square root of 142573885 is about 11940.4306873747. The cubic root of 142573885 is about 522.4122209325.

The spelling of 142573885 in words is "one hundred forty-two million, five hundred seventy-three thousand, eight hundred eighty-five".