100453430 has 48 divisors (see below), whose sum is σ = 229471056. Its totient is φ = 31308480.

The previous prime is 100453417. The next prime is 100453433. The reversal of 100453430 is 34354001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100453433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3929 + ... + 14708.

It is an arithmetic number, because the mean of its divisors is an integer number (4780647).

Almost surely, 2^100453430 is an apocalyptic number.

100453430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100453430 is an abundant number, since it is smaller than the sum of its proper divisors (129017626).

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

100453430 is a wasteful number, since it uses less digits than its factorization.

100453430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18669 (or 18662 counting only the distinct ones).

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

The square root of 100453430 is about 10022.6458582552. The cubic root of 100453430 is about 464.8593708937.

The spelling of 100453430 in words is "one hundred million, four hundred fifty-three thousand, four hundred thirty".