101155230 has 80 divisors (see below), whose sum is σ = 296748144. Its totient is φ = 24520320.

The previous prime is 101155213. The next prime is 101155247. The reversal of 101155230 is 32551101.

It is an interprime number because it is at equal distance from previous prime (101155213) and next prime (101155247).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3234 + ... + 14586.

Almost surely, 2^101155230 is an apocalyptic number.

101155230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 101155230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148374072).

101155230 is an abundant number, since it is smaller than the sum of its proper divisors (195592914).

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

101155230 is a wasteful number, since it uses less digits than its factorization.

101155230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11383 (or 11374 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 101155230 is about 10057.5956371292. The cubic root of 101155230 is about 465.9394120176.

The spelling of 101155230 in words is "one hundred one million, one hundred fifty-five thousand, two hundred thirty".