100320142 has 16 divisors (see below), whose sum is σ = 162559152. Its totient is φ = 46157760.

The previous prime is 100320139. The next prime is 100320151. The reversal of 100320142 is 241023001.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2778 + ... + 14434.

It is an arithmetic number, because the mean of its divisors is an integer number (10159947).

Almost surely, 2^100320142 is an apocalyptic number.

100320142 is a deficient number, since it is larger than the sum of its proper divisors (62239010).

100320142 is a wasteful number, since it uses less digits than its factorization.

100320142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12003.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 100320142 is about 10015.9943091038. The cubic root of 100320142 is about 464.6536782317.

Adding to 100320142 its reverse (241023001), we get a palindrome (341343143).

The spelling of 100320142 in words is "one hundred million, three hundred twenty thousand, one hundred forty-two".