142336400 has 30 divisors (see below), whose sum is σ = 341964162. Its totient is φ = 56934400.

The previous prime is 142336399. The next prime is 142336459. The reversal of 142336400 is 4633241.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 45589504 + 96746896 = 6752^2 + 9836^2 .

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, 177521 + ... + 178320.

Almost surely, 2^142336400 is an apocalyptic number.

142336400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142336400 is an abundant number, since it is smaller than the sum of its proper divisors (199627762).

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

142336400 is a wasteful number, since it uses less digits than its factorization.

142336400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355859 (or 355848 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 142336400 is about 11930.4819684705. The cubic root of 142336400 is about 522.1219994447.

Adding to 142336400 its reverse (4633241), we get a palindrome (146969641).

The spelling of 142336400 in words is "one hundred forty-two million, three hundred thirty-six thousand, four hundred".