142075874 has 4 divisors (see below), whose sum is σ = 213113814. Its totient is φ = 71037936.

The previous prime is 142075873. The next prime is 142075889. The reversal of 142075874 is 478570241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 478570241 = 20521 ⋅23321.

It can be written as a sum of positive squares in only one way, i.e., 141253225 + 822649 = 11885^2 + 907^2 .

It is not an unprimeable number, because it can be changed into a prime (142075873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35518967 + ... + 35518970.

Almost surely, 2^142075874 is an apocalyptic number.

142075874 is a deficient number, since it is larger than the sum of its proper divisors (71037940).

142075874 is an equidigital number, since it uses as much as digits as its factorization.

142075874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71037939.

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 142075874 is about 11919.5584649768. The cubic root of 142075874 is about 521.8032488589.

The spelling of 142075874 in words is "one hundred forty-two million, seventy-five thousand, eight hundred seventy-four".