100453472 has 48 divisors (see below), whose sum is σ = 227146752. Its totient is φ = 42837120.

The previous prime is 100453471. The next prime is 100453517. The reversal of 100453472 is 274354001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100453471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48947 + ... + 50957.

It is an arithmetic number, because the mean of its divisors is an integer number (4732224).

Almost surely, 2^100453472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100453472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113573376).

100453472 is an abundant number, since it is smaller than the sum of its proper divisors (126693280).

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

100453472 is a wasteful number, since it uses less digits than its factorization.

100453472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251 (or 2243 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 100453472 is about 10022.6479535101. The cubic root of 100453472 is about 464.8594356803.

The spelling of 100453472 in words is "one hundred million, four hundred fifty-three thousand, four hundred seventy-two".