142040064 has 44 divisors (see below), whose sum is σ = 378596744. Its totient is φ = 47345664.

The previous prime is 142040033. The next prime is 142040071. The reversal of 142040064 is 460040241.

It is a super-2 number, since 2×142040064² = 40350759562248192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142040064.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20047 + ... + 26190.

Almost surely, 2^142040064 is an apocalyptic number.

It is an amenable number.

142040064 is an abundant number, since it is smaller than the sum of its proper divisors (236556680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142040064 is an equidigital number, since it uses as much as digits as its factorization.

142040064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46260 (or 46242 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 142040064 is about 11918.0562173536. The cubic root of 142040064 is about 521.7594052797.

The spelling of 142040064 in words is "one hundred forty-two million, forty thousand, sixty-four".