190149750 has 96 divisors (see below), whose sum is σ = 587665728. Its totient is φ = 43459200.

The previous prime is 190149721. The next prime is 190149793. The reversal of 190149750 is 57941091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9714 + ... + 21786.

It is an arithmetic number, because the mean of its divisors is an integer number (6121518).

Almost surely, 2^190149750 is an apocalyptic number.

190149750 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 190149750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293832864).

190149750 is an abundant number, since it is smaller than the sum of its proper divisors (397515978).

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

190149750 is a wasteful number, since it uses less digits than its factorization.

190149750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12103 (or 12090 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 190149750 is about 13789.4796856154. The cubic root of 190149750 is about 575.0407028528.

The spelling of 190149750 in words is "one hundred ninety million, one hundred forty-nine thousand, seven hundred fifty".