142057867 has 16 divisors (see below), whose sum is σ = 170012160. Its totient is φ = 116056512.

The previous prime is 142057823. The next prime is 142057871. The reversal of 142057867 is 768750241.

142057867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 142057867 - 2¹⁵ = 142025099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142057897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48984 + ... + 51802.

It is an arithmetic number, because the mean of its divisors is an integer number (10625760).

Almost surely, 2^142057867 is an apocalyptic number.

142057867 is a deficient number, since it is larger than the sum of its proper divisors (27954293).

142057867 is a wasteful number, since it uses less digits than its factorization.

142057867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3162.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 142057867 is about 11918.8030858807. The cubic root of 142057867 is about 521.7812031077.

The spelling of 142057867 in words is "one hundred forty-two million, fifty-seven thousand, eight hundred sixty-seven".