100340142 has 24 divisors (see below), whose sum is σ = 233445096. Its totient is φ = 28668528.

The previous prime is 100340063. The next prime is 100340143. The reversal of 100340142 is 241043001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100340143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170353 + ... + 170940.

It is an arithmetic number, because the mean of its divisors is an integer number (9726879).

Almost surely, 2^100340142 is an apocalyptic number.

100340142 is an abundant number, since it is smaller than the sum of its proper divisors (133104954).

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

100340142 is a wasteful number, since it uses less digits than its factorization.

100340142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341312 (or 341305 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 100340142 is about 10016.9926624711. The cubic root of 100340142 is about 464.6845542382.

Adding to 100340142 its reverse (241043001), we get a palindrome (341383143).

The spelling of 100340142 in words is "one hundred million, three hundred forty thousand, one hundred forty-two".