100453442 has 8 divisors (see below), whose sum is σ = 159543756. Its totient is φ = 47272192.

The previous prime is 100453439. The next prime is 100453447. The reversal of 100453442 is 244354001.

It can be written as a sum of positive squares in 2 ways, for example, as 83156161 + 17297281 = 9119^2 + 4159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (100453447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1477223 + ... + 1477290.

Almost surely, 2^100453442 is an apocalyptic number.

100453442 is a deficient number, since it is larger than the sum of its proper divisors (59090314).

100453442 is a wasteful number, since it uses less digits than its factorization.

100453442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954532.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 100453442 is about 10022.6464568995. The cubic root of 100453442 is about 464.8593894042.

The spelling of 100453442 in words is "one hundred million, four hundred fifty-three thousand, four hundred forty-two".