189965150 has 24 divisors (see below), whose sum is σ = 354385800. Its totient is φ = 75760160.

The previous prime is 189965147. The next prime is 189965161. The reversal of 189965150 is 51569981.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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, 11876 + ... + 22824.

It is an arithmetic number, because the mean of its divisors is an integer number (14766075).

Almost surely, 2^189965150 is an apocalyptic number.

189965150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189965150 is a deficient number, since it is larger than the sum of its proper divisors (164420650).

189965150 is a wasteful number, since it uses less digits than its factorization.

189965150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11308 (or 11303 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 44.

The square root of 189965150 is about 13782.7845517515. The cubic root of 189965150 is about 574.8545567868.

The spelling of 189965150 in words is "one hundred eighty-nine million, nine hundred sixty-five thousand, one hundred fifty".