142039600 has 30 divisors (see below), whose sum is σ = 341251100. Its totient is φ = 56815680.

The previous prime is 142039571. The next prime is 142039619. The reversal of 142039600 is 6930241.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 177150 + ... + 177949.

Almost surely, 2^142039600 is an apocalyptic number.

142039600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142039600 is an abundant number, since it is smaller than the sum of its proper divisors (199211500).

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

142039600 is a wasteful number, since it uses less digits than its factorization.

142039600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355117 (or 355106 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 142039600 is about 11918.0367510761. The cubic root of 142039600 is about 521.7588371381.

Adding to 142039600 its reverse (6930241), we get a palindrome (148969841).

The spelling of 142039600 in words is "one hundred forty-two million, thirty-nine thousand, six hundred".