985781045 has 16 divisors (see below), whose sum is σ = 1205280000. Its totient is φ = 773793600.

The previous prime is 985781033. The next prime is 985781051. The reversal of 985781045 is 540187589.

It is not a de Polignac number, because 985781045 - 2⁴ = 985781029 is a prime.

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, 127706 + ... + 135204.

It is an arithmetic number, because the mean of its divisors is an integer number (75330000).

Almost surely, 2^985781045 is an apocalyptic number.

It is an amenable number.

985781045 is a deficient number, since it is larger than the sum of its proper divisors (219498955).

985781045 is a wasteful number, since it uses less digits than its factorization.

985781045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7996.

The product of its (nonzero) digits is 403200, while the sum is 47.

The square root of 985781045 is about 31397.1502687744. The cubic root of 985781045 is about 995.2377048806.

The spelling of 985781045 in words is "nine hundred eighty-five million, seven hundred eighty-one thousand, forty-five".