101857542 has 16 divisors (see below), whose sum is σ = 203838960. Its totient is φ = 33931872.

The previous prime is 101857513. The next prime is 101857577. The reversal of 101857542 is 245758101.

101857542 is nontrivially palindromic in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8184 + ... + 16452.

It is an arithmetic number, because the mean of its divisors is an integer number (12739935).

Almost surely, 2^101857542 is an apocalyptic number.

101857542 is an abundant number, since it is smaller than the sum of its proper divisors (101981418).

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

101857542 is a wasteful number, since it uses less digits than its factorization.

101857542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10327.

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 101857542 is about 10092.4497521662. The cubic root of 101857542 is about 467.0152516849.

The spelling of 101857542 in words is "one hundred one million, eight hundred fifty-seven thousand, five hundred forty-two".