142810005 has 32 divisors (see below), whose sum is σ = 247637376. Its totient is φ = 69859584.

The previous prime is 142809991. The next prime is 142810051. The reversal of 142810005 is 500018241.

It is not a de Polignac number, because 142810005 - 2⁶ = 142809941 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29539 + ... + 34031.

It is an arithmetic number, because the mean of its divisors is an integer number (7738668).

Almost surely, 2^142810005 is an apocalyptic number.

142810005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142810005 is a deficient number, since it is larger than the sum of its proper divisors (104827371).

142810005 is a wasteful number, since it uses less digits than its factorization.

142810005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4677.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 142810005 is about 11950.3140126107. The cubic root of 142810005 is about 522.7004549729.

Adding to 142810005 its reverse (500018241), we get a palindrome (642828246).

The spelling of 142810005 in words is "one hundred forty-two million, eight hundred ten thousand, five".