100445346 has 20 divisors (see below), whose sum is σ = 225072342. Its totient is φ = 33481728.

The previous prime is 100445339. The next prime is 100445369. The reversal of 100445346 is 643544001.

It can be written as a sum of positive squares in only one way, i.e., 92910321 + 7535025 = 9639^2 + 2745^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 309855 + ... + 310178.

Almost surely, 2^100445346 is an apocalyptic number.

100445346 is an abundant number, since it is smaller than the sum of its proper divisors (124626996).

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

100445346 is an equidigital number, since it uses as much as digits as its factorization.

100445346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620047 (or 620038 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 100445346 is about 10022.2425634186. The cubic root of 100445346 is about 464.8469006908.

Adding to 100445346 its reverse (643544001), we get a palindrome (743989347).

The spelling of 100445346 in words is "one hundred million, four hundred forty-five thousand, three hundred forty-six".