100342000 has 80 divisors (see below), whose sum is σ = 264741984. Its totient is φ = 36480000.

The previous prime is 100341979. The next prime is 100342003. The reversal of 100342000 is 243001.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100342003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19720 + ... + 24280.

Almost surely, 2^100342000 is an apocalyptic number.

100342000 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 100342000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132370992).

100342000 is an abundant number, since it is smaller than the sum of its proper divisors (164399984).

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

100342000 is a wasteful number, since it uses less digits than its factorization.

100342000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4595 (or 4579 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 100342000 is about 10017.0854044477. The cubic root of 100342000 is about 464.6874224109.

Adding to 100342000 its reverse (243001), we get a palindrome (100585001).

The spelling of 100342000 in words is "one hundred million, three hundred forty-two thousand".