142078211 has 8 divisors (see below), whose sum is σ = 157536048. Its totient is φ = 127044000.

The previous prime is 142078201. The next prime is 142078229. The reversal of 142078211 is 112870241.

142078211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142078211 - 2⁶ = 142078147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142078201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105200 + ... + 106541.

It is an arithmetic number, because the mean of its divisors is an integer number (19692006).

Almost surely, 2^142078211 is an apocalyptic number.

142078211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142078211 is a deficient number, since it is larger than the sum of its proper divisors (15457837).

142078211 is a wasteful number, since it uses less digits than its factorization.

142078211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211813.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 142078211 is about 11919.6564967284. The cubic root of 142078211 is about 521.8061098830.

The spelling of 142078211 in words is "one hundred forty-two million, seventy-eight thousand, two hundred eleven".