101145244 has 12 divisors (see below), whose sum is σ = 177391368. Its totient is φ = 50462000.

The previous prime is 101145221. The next prime is 101145263. The reversal of 101145244 is 442541101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25582 + ... + 29269.

It is an arithmetic number, because the mean of its divisors is an integer number (14782614).

Almost surely, 2^101145244 is an apocalyptic number.

It is an amenable number.

101145244 is a deficient number, since it is larger than the sum of its proper divisors (76246124).

101145244 is a wasteful number, since it uses less digits than its factorization.

101145244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55316 (or 55314 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 101145244 is about 10057.0991841584. The cubic root of 101145244 is about 465.9240790682.

Adding to 101145244 its reverse (442541101), we get a palindrome (543686345).

The spelling of 101145244 in words is "one hundred one million, one hundred forty-five thousand, two hundred forty-four".