142323100 has 18 divisors (see below), whose sum is σ = 308841344. Its totient is φ = 56929200.

The previous prime is 142323067. The next prime is 142323101. The reversal of 142323100 is 1323241.

It is a happy number.

It is a super-2 number, since 2×142323100² = 40511729587220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142323101) 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, 711516 + ... + 711715.

Almost surely, 2^142323100 is an apocalyptic number.

142323100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142323100 is an abundant number, since it is smaller than the sum of its proper divisors (166518244).

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

142323100 is a wasteful number, since it uses less digits than its factorization.

142323100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423245 (or 1423238 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 142323100 is about 11929.9245596944. The cubic root of 142323100 is about 522.1057364721.

Adding to 142323100 its reverse (1323241), we get a palindrome (143646341).

The spelling of 142323100 in words is "one hundred forty-two million, three hundred twenty-three thousand, one hundred".