100345444 has 12 divisors (see below), whose sum is σ = 175675500. Its totient is φ = 50152448.

The previous prime is 100345387. The next prime is 100345447. The reversal of 100345444 is 444543001.

It can be written as a sum of positive squares in 2 ways, for example, as 68558400 + 31787044 = 8280^2 + 5638^2 .

It is not an unprimeable number, because it can be changed into a prime (100345447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14232 + ... + 20080.

It is an arithmetic number, because the mean of its divisors is an integer number (14639625).

Almost surely, 2^100345444 is an apocalyptic number.

It is an amenable number.

100345444 is a deficient number, since it is larger than the sum of its proper divisors (75330056).

100345444 is a wasteful number, since it uses less digits than its factorization.

100345444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10142 (or 10140 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 100345444 is about 10017.2573092638. The cubic root of 100345444 is about 464.6927387795.

Adding to 100345444 its reverse (444543001), we get a palindrome (544888445).

The spelling of 100345444 in words is "one hundred million, three hundred forty-five thousand, four hundred forty-four".