185103380 has 144 divisors (see below), whose sum is σ = 500505600. Its totient is φ = 57435840.

The previous prime is 185103329. The next prime is 185103383. The reversal of 185103380 is 83301581.

It is a super-2 number, since 2×185103380² = 68526522574848800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185103383) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 829949 + ... + 830171.

Almost surely, 2^185103380 is an apocalyptic number.

185103380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 185103380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250252800).

185103380 is an abundant number, since it is smaller than the sum of its proper divisors (315402220).

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

185103380 is a wasteful number, since it uses less digits than its factorization.

185103380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 185103380 is about 13605.2703023497. The cubic root of 185103380 is about 569.9080389244.

The spelling of 185103380 in words is "one hundred eighty-five million, one hundred three thousand, three hundred eighty".