190309152 has 96 divisors (see below), whose sum is σ = 577088064. Its totient is φ = 54272000.

The previous prime is 190309151. The next prime is 190309177. The reversal of 190309152 is 251903091.

190309152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (190309151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12652 + ... + 23252.

It is an arithmetic number, because the mean of its divisors is an integer number (6011334).

Almost surely, 2^190309152 is an apocalyptic number.

190309152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190309152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288544032).

190309152 is an abundant number, since it is smaller than the sum of its proper divisors (386778912).

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

190309152 is a wasteful number, since it uses less digits than its factorization.

190309152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10642 (or 10634 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 190309152 is about 13795.2583158127. The cubic root of 190309152 is about 575.2013429737.

It can be divided in two parts, 19030 and 9152, that added together give a palindrome (28182).

The spelling of 190309152 in words is "one hundred ninety million, three hundred nine thousand, one hundred fifty-two".