1085090145 has 16 divisors (see below), whose sum is σ = 1737882432. Its totient is φ = 578135360.

The previous prime is 1085090137. The next prime is 1085090173. The reversal of 1085090145 is 5410905801.

It is not a de Polignac number, because 1085090145 - 2³ = 1085090137 is a prime.

It is a super-2 number, since 2×1085090145² = 2354841245552242050, which contains 22 as substring.

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, 20511 + ... + 50900.

It is an arithmetic number, because the mean of its divisors is an integer number (108617652).

Almost surely, 2^1085090145 is an apocalyptic number.

1085090145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1085090145 is a deficient number, since it is larger than the sum of its proper divisors (652792287).

1085090145 is a wasteful number, since it uses less digits than its factorization.

1085090145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72432.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 1085090145 is about 32940.7065042631. The cubic root of 1085090145 is about 1027.5948989137.

Adding to 1085090145 its reverse (5410905801), we get a palindrome (6495995946).

The spelling of 1085090145 in words is "one billion, eighty-five million, ninety thousand, one hundred forty-five".