142675851 has 4 divisors (see below), whose sum is σ = 190234472. Its totient is φ = 95117232.

The previous prime is 142675847. The next prime is 142675861. The reversal of 142675851 is 158576241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 158576241 = 3 ⋅52858747.

It is not a de Polignac number, because 142675851 - 2² = 142675847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142675801) 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, 23779306 + ... + 23779311.

It is an arithmetic number, because the mean of its divisors is an integer number (47558618).

Almost surely, 2^142675851 is an apocalyptic number.

142675851 is a deficient number, since it is larger than the sum of its proper divisors (47558621).

142675851 is an equidigital number, since it uses as much as digits as its factorization.

142675851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47558620.

The product of its digits is 67200, while the sum is 39.

The square root of 142675851 is about 11944.6997032156. The cubic root of 142675851 is about 522.5367308565.

It can be divided in two parts, 1426 and 75851, that added together give a palindrome (77277).

The spelling of 142675851 in words is "one hundred forty-two million, six hundred seventy-five thousand, eight hundred fifty-one".