100448343 has 40 divisors (see below), whose sum is σ = 154818048. Its totient is φ = 64879056.

The previous prime is 100448333. The next prime is 100448347. The reversal of 100448343 is 343844001.

It is a de Polignac number, because none of the positive numbers 2^k-100448343 is a prime.

It is a super-2 number, since 2×100448343² = 20179739222891298, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100448347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 450330 + ... + 450552.

Almost surely, 2^100448343 is an apocalyptic number.

100448343 is a deficient number, since it is larger than the sum of its proper divisors (54369705).

100448343 is an equidigital number, since it uses as much as digits as its factorization.

100448343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 100448343 is about 10022.3920797382. The cubic root of 100448343 is about 464.8515238760.

The spelling of 100448343 in words is "one hundred million, four hundred forty-eight thousand, three hundred forty-three".