100345034 has 4 divisors (see below), whose sum is σ = 150517554. Its totient is φ = 50172516.

The previous prime is 100345027. The next prime is 100345039. The reversal of 100345034 is 430543001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 99700225 + 644809 = 9985^2 + 803^2 .

It is a super-2 number, since 2×100345034² = 20138251696922312, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100344997 and 100345015.

It is not an unprimeable number, because it can be changed into a prime (100345039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25086257 + ... + 25086260.

Almost surely, 2^100345034 is an apocalyptic number.

100345034 is a deficient number, since it is larger than the sum of its proper divisors (50172520).

100345034 is an equidigital number, since it uses as much as digits as its factorization.

100345034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50172519.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 100345034 is about 10017.2368445595. The cubic root of 100345034 is about 464.6921058849.

Adding to 100345034 its reverse (430543001), we get a palindrome (530888035).

The spelling of 100345034 in words is "one hundred million, three hundred forty-five thousand, thirty-four".