109157230 has 32 divisors (see below), whose sum is σ = 241827264. Its totient is φ = 34546176.

The previous prime is 109157207. The next prime is 109157239. The reversal of 109157230 is 32751901.

It is a super-2 number, since 2×109157230² = 23830601722545800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109157239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59067 + ... + 60886.

It is an arithmetic number, because the mean of its divisors is an integer number (7557102).

Almost surely, 2^109157230 is an apocalyptic number.

109157230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109157230 is an abundant number, since it is smaller than the sum of its proper divisors (132670034).

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

109157230 is a wasteful number, since it uses less digits than its factorization.

109157230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119980.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 109157230 is about 10447.8337467630. The cubic root of 109157230 is about 477.9151912702.

It can be divided in two parts, 10915 and 7230, that added together give a triangular number (18145 = T₁₉₀).

The spelling of 109157230 in words is "one hundred nine million, one hundred fifty-seven thousand, two hundred thirty".