142113524 has 36 divisors (see below), whose sum is σ = 295477056. Its totient is φ = 59606064.

The previous prime is 142113473. The next prime is 142113541. The reversal of 142113524 is 425311241.

It is a self number, because there is not a number n which added to its sum of digits gives 142113524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1499 + ... + 16925.

It is an arithmetic number, because the mean of its divisors is an integer number (8207696).

Almost surely, 2^142113524 is an apocalyptic number.

142113524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142113524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147738528).

142113524 is an abundant number, since it is smaller than the sum of its proper divisors (153363532).

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

142113524 is a wasteful number, since it uses less digits than its factorization.

142113524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15492 (or 15483 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 142113524 is about 11921.1376973844. The cubic root of 142113524 is about 521.8493372778.

Adding to 142113524 its reverse (425311241), we get a palindrome (567424765).

The spelling of 142113524 in words is "one hundred forty-two million, one hundred thirteen thousand, five hundred twenty-four".