142323400 has 24 divisors (see below), whose sum is σ = 330902370. Its totient is φ = 56929280.

The previous prime is 142323373. The next prime is 142323403. The reversal of 142323400 is 4323241.

It can be written as a sum of positive squares in 3 ways, for example, as 98525476 + 43797924 = 9926^2 + 6618^2 .

It is not an unprimeable number, because it can be changed into a prime (142323403) 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, 355609 + ... + 356008.

Almost surely, 2^142323400 is an apocalyptic number.

142323400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142323400 is an abundant number, since it is smaller than the sum of its proper divisors (188578970).

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

142323400 is a wasteful number, since it uses less digits than its factorization.

142323400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711633 (or 711624 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 142323400 is about 11929.9371331118. The cubic root of 142323400 is about 522.1061033173.

Adding to 142323400 its reverse (4323241), we get a palindrome (146646641).

The spelling of 142323400 in words is "one hundred forty-two million, three hundred twenty-three thousand, four hundred".