190245 has 16 divisors (see below), whose sum is σ = 332352. Its totient is φ = 92160.

The previous prime is 190243. The next prime is 190249. The reversal of 190245 is 542091.

It is not a de Polignac number, because 190245 - 2¹ = 190243 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190243) 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, 412 + ... + 741.

It is an arithmetic number, because the mean of its divisors is an integer number (20772).

2¹⁹⁰²⁴⁵ is an apocalyptic number.

190245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

190245 is a deficient number, since it is larger than the sum of its proper divisors (142107).

190245 is a wasteful number, since it uses less digits than its factorization.

190245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 190245 is about 436.1708380898. The cubic root of 190245 is about 57.5136703477.

It can be divided in two parts, 190 and 245, that added together give a triangular number (435 = T₂₉).

The spelling of 190245 in words is "one hundred ninety thousand, two hundred forty-five".