190252557 has 80 divisors (see below), whose sum is σ = 331056000. Its totient is φ = 107775360.

The previous prime is 190252537. The next prime is 190252561. The reversal of 190252557 is 755252091.

It is not a de Polignac number, because 190252557 - 2¹⁴ = 190236173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190252507) 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 79 ways as a sum of consecutive naturals, for example, 955944 + ... + 956142.

It is an arithmetic number, because the mean of its divisors is an integer number (4138200).

Almost surely, 2^190252557 is an apocalyptic number.

It is an amenable number.

190252557 is a deficient number, since it is larger than the sum of its proper divisors (140803443).

190252557 is a wasteful number, since it uses less digits than its factorization.

190252557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 190252557 is about 13793.2069149999. The cubic root of 190252557 is about 575.1443186580.

The spelling of 190252557 in words is "one hundred ninety million, two hundred fifty-two thousand, five hundred fifty-seven".