142685011 has 12 divisors (see below), whose sum is σ = 166192392. Its totient is φ = 122145408.

The previous prime is 142684991. The next prime is 142685021. The reversal of 142685011 is 110586241.

It is not a de Polignac number, because 142685011 - 2⁵ = 142684979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142685021) 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 11 ways as a sum of consecutive naturals, for example, 53731 + ... + 56323.

It is an arithmetic number, because the mean of its divisors is an integer number (13849366).

Almost surely, 2^142685011 is an apocalyptic number.

142685011 is a deficient number, since it is larger than the sum of its proper divisors (23507381).

142685011 is a wasteful number, since it uses less digits than its factorization.

142685011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3730 (or 3723 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 142685011 is about 11945.0831307279. The cubic root of 142685011 is about 522.5479131600.

The spelling of 142685011 in words is "one hundred forty-two million, six hundred eighty-five thousand, eleven".