190580945 has 16 divisors (see below), whose sum is σ = 234518592. Its totient is φ = 148599360.

The previous prime is 190580933. The next prime is 190580947. The reversal of 190580945 is 549085091.

It is a happy number.

It is not a de Polignac number, because 190580945 - 2²⁶ = 123472081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190580947) 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, 173819 + ... + 174911.

It is an arithmetic number, because the mean of its divisors is an integer number (14657412).

Almost surely, 2^190580945 is an apocalyptic number.

It is an amenable number.

190580945 is a deficient number, since it is larger than the sum of its proper divisors (43937647).

190580945 is a wasteful number, since it uses less digits than its factorization.

190580945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1952.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 190580945 is about 13805.1057583779. The cubic root of 190580945 is about 575.4750403262.

The spelling of 190580945 in words is "one hundred ninety million, five hundred eighty thousand, nine hundred forty-five".