142343100 has 108 divisors (see below), whose sum is σ = 450570120. Its totient is φ = 37584000.

The previous prime is 142343093. The next prime is 142343111. The reversal of 142343100 is 1343241.

It is a super-2 number, since 2×142343100² = 40523116235220000, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 97375 + ... + 98825.

Almost surely, 2^142343100 is an apocalyptic number.

142343100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142343100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225285060).

142343100 is an abundant number, since it is smaller than the sum of its proper divisors (308227020).

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

142343100 is a wasteful number, since it uses less digits than its factorization.

142343100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580 (or 1570 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 142343100 is about 11930.7627585163. The cubic root of 142343100 is about 522.1301916862.

Adding to 142343100 its reverse (1343241), we get a palindrome (143686341).

The spelling of 142343100 in words is "one hundred forty-two million, three hundred forty-three thousand, one hundred".