101112145 has 8 divisors (see below), whose sum is σ = 122149800. Its totient is φ = 80346240.

The previous prime is 101112139. The next prime is 101112161. The reversal of 101112145 is 541211101.

It can be written as a sum of positive squares in 4 ways, for example, as 8105409 + 93006736 = 2847^2 + 9644^2 .

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

It is not a de Polignac number, because 101112145 - 2¹³ = 101103953 is a prime.

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, 67116 + ... + 68605.

It is an arithmetic number, because the mean of its divisors is an integer number (15268725).

Almost surely, 2^101112145 is an apocalyptic number.

It is an amenable number.

101112145 is a deficient number, since it is larger than the sum of its proper divisors (21037655).

101112145 is a wasteful number, since it uses less digits than its factorization.

101112145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135875.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 101112145 is about 10055.4534954919. The cubic root of 101112145 is about 465.8732501711.

Adding to 101112145 its reverse (541211101), we get a palindrome (642323246).

The spelling of 101112145 in words is "one hundred one million, one hundred twelve thousand, one hundred forty-five".