101445228 has 36 divisors (see below), whose sum is σ = 257050248. Its totient is φ = 33733440.

The previous prime is 101445217. The next prime is 101445241. The reversal of 101445228 is 822544101.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×101445228² = 20582268567943968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12768 + ... + 19128.

Almost surely, 2^101445228 is an apocalyptic number.

101445228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

101445228 is an abundant number, since it is smaller than the sum of its proper divisors (155605020).

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

101445228 is a wasteful number, since it uses less digits than its factorization.

101445228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6814 (or 6809 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 101445228 is about 10072.0021842730. The cubic root of 101445228 is about 466.3842483944.

Adding to 101445228 its reverse (822544101), we get a palindrome (923989329).

The spelling of 101445228 in words is "one hundred one million, four hundred forty-five thousand, two hundred twenty-eight".