100287342 has 64 divisors (see below), whose sum is σ = 230895360. Its totient is φ = 32247072.

The previous prime is 100287329. The next prime is 100287347. The reversal of 100287342 is 243782001.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100287347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191493 + ... + 192015.

It is an arithmetic number, because the mean of its divisors is an integer number (3607740).

Almost surely, 2^100287342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100287342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115447680).

100287342 is an abundant number, since it is smaller than the sum of its proper divisors (130608018).

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

100287342 is a wasteful number, since it uses less digits than its factorization.

100287342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 100287342 is about 10014.3567941231. The cubic root of 100287342 is about 464.6030326962.

The spelling of 100287342 in words is "one hundred million, two hundred eighty-seven thousand, three hundred forty-two".