142641885 has 16 divisors (see below), whose sum is σ = 228522240. Its totient is φ = 75977280.

The previous prime is 142641859. The next prime is 142641887. The reversal of 142641885 is 588146241.

It is not a de Polignac number, because 142641885 - 2¹¹ = 142639837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142641887) 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 15 ways as a sum of consecutive naturals, for example, 6700 + ... + 18170.

It is an arithmetic number, because the mean of its divisors is an integer number (14282640).

Almost surely, 2^142641885 is an apocalyptic number.

142641885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142641885 is a deficient number, since it is larger than the sum of its proper divisors (85880355).

142641885 is a wasteful number, since it uses less digits than its factorization.

142641885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12308.

The product of its digits is 61440, while the sum is 39.

The square root of 142641885 is about 11943.2778164120. The cubic root of 142641885 is about 522.4952618176.

The spelling of 142641885 in words is "one hundred forty-two million, six hundred forty-one thousand, eight hundred eighty-five".