1945732085 has 16 divisors (see below), whose sum is σ = 2601338112. Its totient is φ = 1384968000.

The previous prime is 1945732073. The next prime is 1945732111. The reversal of 1945732085 is 5802375491.

It is not a de Polignac number, because 1945732085 - 2¹⁰ = 1945731061 is a prime.

It is a Duffinian number.

It is a congruent 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, 373766 + ... + 378935.

It is an arithmetic number, because the mean of its divisors is an integer number (162583632).

Almost surely, 2^1945732085 is an apocalyptic number.

It is an amenable number.

1945732085 is a deficient number, since it is larger than the sum of its proper divisors (655606027).

1945732085 is a wasteful number, since it uses less digits than its factorization.

1945732085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752764.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 1945732085 is about 44110.4532395667. The cubic root of 1945732085 is about 1248.4208506700.

The spelling of 1945732085 in words is "one billion, nine hundred forty-five million, seven hundred thirty-two thousand, eighty-five".