142303400 has 24 divisors (see below), whose sum is σ = 330855870. Its totient is φ = 56921280.

The previous prime is 142303393. The next prime is 142303409. The reversal of 142303400 is 4303241.

It can be written as a sum of positive squares in 3 ways, for example, as 125933284 + 16370116 = 11222^2 + 4046^2 .

It is not an unprimeable number, because it can be changed into a prime (142303409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355559 + ... + 355958.

Almost surely, 2^142303400 is an apocalyptic number.

142303400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142303400 is an abundant number, since it is smaller than the sum of its proper divisors (188552470).

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

142303400 is a wasteful number, since it uses less digits than its factorization.

142303400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711533 (or 711524 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 142303400 is about 11929.0988762773. The cubic root of 142303400 is about 522.0816458464.

Adding to 142303400 its reverse (4303241), we get a palindrome (146606641).

The spelling of 142303400 in words is "one hundred forty-two million, three hundred three thousand, four hundred".