142536830 has 32 divisors (see below), whose sum is σ = 263945088. Its totient is φ = 55389600.

The previous prime is 142536829. The next prime is 142536833. The reversal of 142536830 is 38635241.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142536833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89945 + ... + 91515.

It is an arithmetic number, because the mean of its divisors is an integer number (8248284).

Almost surely, 2^142536830 is an apocalyptic number.

142536830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142536830 is a deficient number, since it is larger than the sum of its proper divisors (121408258).

142536830 is a wasteful number, since it uses less digits than its factorization.

142536830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 142536830 is about 11938.8789255943. The cubic root of 142536830 is about 522.3669586412.

The spelling of 142536830 in words is "one hundred forty-two million, five hundred thirty-six thousand, eight hundred thirty".