142115508 has 36 divisors (see below), whose sum is σ = 362542180. Its totient is φ = 46935936.

The previous prime is 142115507. The next prime is 142115513. The reversal of 142115508 is 805511241.

142115508 is a `hidden beast` number, since 1 + 42 + 115 + 508 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 54730404 + 87385104 = 7398^2 + 9348^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×142115508² = 40393635228196128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142115507) 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, 14185 + ... + 22032.

Almost surely, 2^142115508 is an apocalyptic number.

142115508 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

142115508 is an abundant number, since it is smaller than the sum of its proper divisors (220426672).

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

142115508 is a wasteful number, since it uses less digits than its factorization.

142115508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36336 (or 36331 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 142115508 is about 11921.2209106282. The cubic root of 142115508 is about 521.8517657219.

Adding to 142115508 its reverse (805511241), we get a palindrome (947626749).

The spelling of 142115508 in words is "one hundred forty-two million, one hundred fifteen thousand, five hundred eight".