100445340 has 48 divisors (see below), whose sum is σ = 284820480. Its totient is φ = 26445120.

The previous prime is 100445339. The next prime is 100445369. The reversal of 100445340 is 43544001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5856 + ... + 15335.

It is an arithmetic number, because the mean of its divisors is an integer number (5933760).

Almost surely, 2^100445340 is an apocalyptic number.

100445340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100445340 is an abundant number, since it is smaller than the sum of its proper divisors (184375140).

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

100445340 is a wasteful number, since it uses less digits than its factorization.

100445340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21282 (or 21280 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 100445340 is about 10022.2422640844. The cubic root of 100445340 is about 464.8468914351.

Adding to 100445340 its reverse (43544001), we get a palindrome (143989341).

The spelling of 100445340 in words is "one hundred million, four hundred forty-five thousand, three hundred forty".