190153925 has 48 divisors (see below), whose sum is σ = 271982592. Its totient is φ = 130636800.

The previous prime is 190153921. The next prime is 190153927. The reversal of 190153925 is 529351091.

It is not a de Polignac number, because 190153925 - 2² = 190153921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190153921) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 701540 + ... + 701810.

It is an arithmetic number, because the mean of its divisors is an integer number (5666304).

Almost surely, 2^190153925 is an apocalyptic number.

It is an amenable number.

190153925 is a deficient number, since it is larger than the sum of its proper divisors (81828667).

190153925 is a wasteful number, since it uses less digits than its factorization.

190153925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 35.

The square root of 190153925 is about 13789.6310683064. The cubic root of 190153925 is about 575.0449114259.

The spelling of 190153925 in words is "one hundred ninety million, one hundred fifty-three thousand, nine hundred twenty-five".