190237290245 has 16 divisors (see below), whose sum is σ = 234803132400. Its totient is φ = 147856472064.

The previous prime is 190237290233. The next prime is 190237290251. The reversal of 190237290245 is 542092732091.

It is a Cunningham number, because it is equal to 436162²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 1 + 190237290244 = 1^2 + 436162^2 .

It is a cyclic number.

It is not a de Polignac number, because 190237290245 - 2⁶ = 190237290181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 190237290196 and 190237290205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639470 + ... + 888479.

It is an arithmetic number, because the mean of its divisors is an integer number (14675195775).

Almost surely, 2^190237290245 is an apocalyptic number.

It is an amenable number.

190237290245 is a deficient number, since it is larger than the sum of its proper divisors (44565842155).

190237290245 is a wasteful number, since it uses less digits than its factorization.

190237290245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528664.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 190237290245 in words is "one hundred ninety billion, two hundred thirty-seven million, two hundred ninety thousand, two hundred forty-five".