190115250 has 256 divisors, whose sum is σ = 573640704. Its totient is φ = 41472000.

The previous prime is 190115243. The next prime is 190115257. The reversal of 190115250 is 52511091.

190115250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

190115250 is a nontrivial binomial coefficient, being equal to C(19500, 2).

It is an interprime number because it is at equal distance from previous prime (190115243) and next prime (190115257).

It is a super-2 number, since 2×190115250² = 72287616565125000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 190115250.

It is not an unprimeable number, because it can be changed into a prime (190115257) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5138232 + ... + 5138268.

It is an arithmetic number, because the mean of its divisors is an integer number (2240784).

Almost surely, 2^190115250 is an apocalyptic number.

190115250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190115250 is the 19499-th triangular number and also the 9750-th hexagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190115250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286820352).

190115250 is an abundant number, since it is smaller than the sum of its proper divisors (383525454).

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

190115250 is a wasteful number, since it uses less digits than its factorization.

190115250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 24.

The square root of 190115250 is about 13788.2286752142. The cubic root of 190115250 is about 575.0059230644.

It can be divided in two parts, 190 and 115250, that added together give a triangular number (115440 = T₄₈₀).

The spelling of 190115250 in words is "one hundred ninety million, one hundred fifteen thousand, two hundred fifty".