1790545145 has 16 divisors (see below), whose sum is σ = 2276045568. Its totient is φ = 1347582720.

The previous prime is 1790545121. The next prime is 1790545177. The reversal of 1790545145 is 5415450971.

It is a happy number.

It is not a de Polignac number, because 1790545145 - 2¹⁰ = 1790544121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339680 + ... + 344910.

It is an arithmetic number, because the mean of its divisors is an integer number (142252848).

Almost surely, 2^1790545145 is an apocalyptic number.

It is an amenable number.

1790545145 is a deficient number, since it is larger than the sum of its proper divisors (485500423).

1790545145 is a wasteful number, since it uses less digits than its factorization.

1790545145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9280.

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 1790545145 is about 42314.8336284098. The cubic root of 1790545145 is about 1214.3067946480.

The spelling of 1790545145 in words is "one billion, seven hundred ninety million, five hundred forty-five thousand, one hundred forty-five".