101857044 has 12 divisors (see below), whose sum is σ = 237666464. Its totient is φ = 33952344.

The previous prime is 101857039. The next prime is 101857051. The reversal of 101857044 is 440758101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4244032 + ... + 4244055.

Almost surely, 2^101857044 is an apocalyptic number.

It is an amenable number.

101857044 is an abundant number, since it is smaller than the sum of its proper divisors (135809420).

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

101857044 is a wasteful number, since it uses less digits than its factorization.

101857044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8488094 (or 8488092 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 101857044 is about 10092.4250802272. The cubic root of 101857044 is about 467.0144905762.

The spelling of 101857044 in words is "one hundred one million, eight hundred fifty-seven thousand, forty-four".