142003536 has 40 divisors (see below), whose sum is σ = 373770720. Its totient is φ = 46440576.

The previous prime is 142003531. The next prime is 142003553. The reversal of 142003536 is 635300241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142003531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25366 + ... + 30453.

It is an arithmetic number, because the mean of its divisors is an integer number (9344268).

Almost surely, 2^142003536 is an apocalyptic number.

142003536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142003536 is an abundant number, since it is smaller than the sum of its proper divisors (231767184).

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

142003536 is a wasteful number, since it uses less digits than its factorization.

142003536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55883 (or 55877 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 142003536 is about 11916.5236541535. The cubic root of 142003536 is about 521.7146750325.

Adding to 142003536 its reverse (635300241), we get a palindrome (777303777).

The spelling of 142003536 in words is "one hundred forty-two million, three thousand, five hundred thirty-six".