194253150 has 288 divisors, whose sum is σ = 641208960. Its totient is φ = 38465280.

The previous prime is 194253139. The next prime is 194253173. The reversal of 194253150 is 51352491.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1815397 + ... + 1815503.

It is an arithmetic number, because the mean of its divisors is an integer number (2226420).

Almost surely, 2^194253150 is an apocalyptic number.

194253150 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 194253150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320604480).

194253150 is an abundant number, since it is smaller than the sum of its proper divisors (446955810).

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

194253150 is a wasteful number, since it uses less digits than its factorization.

194253150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 194253150 is about 13937.4728699288. The cubic root of 194253150 is about 579.1477276441.

The spelling of 194253150 in words is "one hundred ninety-four million, two hundred fifty-three thousand, one hundred fifty".