190457622545 has 8 divisors (see below), whose sum is σ = 228998166120. Its totient is φ = 152066752000.

The previous prime is 190457622529. The next prime is 190457622569. The reversal of 190457622545 is 545226754091.

It can be written as a sum of positive squares in 4 ways, for example, as 88889844736 + 101567777809 = 298144^2 + 318697^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 190457622545 - 2⁴ = 190457622529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 190457622493 and 190457622502.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 37415456 + ... + 37420545.

It is an arithmetic number, because the mean of its divisors is an integer number (28624770765).

Almost surely, 2^190457622545 is an apocalyptic number.

It is an amenable number.

190457622545 is a deficient number, since it is larger than the sum of its proper divisors (38540543575).

190457622545 is an equidigital number, since it uses as much as digits as its factorization.

190457622545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74836515.

The product of its (nonzero) digits is 3024000, while the sum is 50.

The spelling of 190457622545 in words is "one hundred ninety billion, four hundred fifty-seven million, six hundred twenty-two thousand, five hundred forty-five".