189856150 has 24 divisors (see below), whose sum is σ = 385236504. Its totient is φ = 69038400.

The previous prime is 189856133. The next prime is 189856181. The reversal of 189856150 is 51658981.

It is a junction number, because it is equal to n+sod(n) for n = 189856097 and 189856106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172047 + ... + 173146.

It is an arithmetic number, because the mean of its divisors is an integer number (16051521).

Almost surely, 2^189856150 is an apocalyptic number.

189856150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189856150 is an abundant number, since it is smaller than the sum of its proper divisors (195380354).

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

189856150 is a wasteful number, since it uses less digits than its factorization.

189856150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345216 (or 345211 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 43.

The square root of 189856150 is about 13778.8297761457. The cubic root of 189856150 is about 574.7445872566.

It can be divided in two parts, 1898 and 56150, that multiplied together give a triangular number (106572700 = T₁₄₅₉₉).

The spelling of 189856150 in words is "one hundred eighty-nine million, eight hundred fifty-six thousand, one hundred fifty".