142001074 has 4 divisors (see below), whose sum is σ = 213001614. Its totient is φ = 71000536.

The previous prime is 142001063. The next prime is 142001087. The reversal of 142001074 is 470100241.

142001074 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, and also an emirpimes, since its reverse is a distinct semiprime: 470100241 = 13 ⋅36161557.

It can be written as a sum of positive squares in only one way, i.e., 81270225 + 60730849 = 9015^2 + 7793^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35500267 + ... + 35500270.

Almost surely, 2^142001074 is an apocalyptic number.

142001074 is a deficient number, since it is larger than the sum of its proper divisors (71000540).

142001074 is an equidigital number, since it uses as much as digits as its factorization.

142001074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71000539.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 142001074 is about 11916.4203517667. The cubic root of 142001074 is about 521.7116599222.

The spelling of 142001074 in words is "one hundred forty-two million, one thousand, seventy-four".