142403400 has 96 divisors (see below), whose sum is σ = 490519200. Its totient is φ = 37972800.

The previous prime is 142403389. The next prime is 142403413. The reversal of 142403400 is 4304241.

142403400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7786 + ... + 18585.

It is an arithmetic number, because the mean of its divisors is an integer number (5109575).

Almost surely, 2^142403400 is an apocalyptic number.

142403400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142403400 is an abundant number, since it is smaller than the sum of its proper divisors (348115800).

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

142403400 is a wasteful number, since it uses less digits than its factorization.

142403400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26396 (or 26381 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 142403400 is about 11933.2895716144. The cubic root of 142403400 is about 522.2039102946.

Adding to 142403400 its reverse (4304241), we get a palindrome (146707641).

The spelling of 142403400 in words is "one hundred forty-two million, four hundred three thousand, four hundred".