190561485 has 16 divisors (see below), whose sum is σ = 306348480. Its totient is φ = 101149440.

The previous prime is 190561457. The next prime is 190561487. The reversal of 190561485 is 584165091.

It is not a de Polignac number, because 190561485 - 2⁶ = 190561421 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190561487) 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, 26940 + ... + 33269.

It is an arithmetic number, because the mean of its divisors is an integer number (19146780).

Almost surely, 2^190561485 is an apocalyptic number.

190561485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

190561485 is a deficient number, since it is larger than the sum of its proper divisors (115786995).

190561485 is a wasteful number, since it uses less digits than its factorization.

190561485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60428.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 190561485 is about 13804.4009286894. The cubic root of 190561485 is about 575.4554526291.

The spelling of 190561485 in words is "one hundred ninety million, five hundred sixty-one thousand, four hundred eighty-five".