142488851 has 4 divisors (see below), whose sum is σ = 142877472. Its totient is φ = 142100232.

The previous prime is 142488823. The next prime is 142488859. The reversal of 142488851 is 158884241.

142488851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 142488851 - 2¹⁰ = 142487827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142488799 and 142488808.

It is not an unprimeable number, because it can be changed into a prime (142488859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193760 + ... + 194493.

It is an arithmetic number, because the mean of its divisors is an integer number (35719368).

Almost surely, 2^142488851 is an apocalyptic number.

142488851 is a deficient number, since it is larger than the sum of its proper divisors (388621).

142488851 is an equidigital number, since it uses as much as digits as its factorization.

142488851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388620.

The product of its digits is 81920, while the sum is 41.

The square root of 142488851 is about 11936.8693969566. The cubic root of 142488851 is about 522.3083411434.

The spelling of 142488851 in words is "one hundred forty-two million, four hundred eighty-eight thousand, eight hundred fifty-one".