1088145140 has 24 divisors (see below), whose sum is σ = 2286817512. Its totient is φ = 434931840.

The previous prime is 1088145137. The next prime is 1088145193. The reversal of 1088145140 is 415418801.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 177795556 + 910349584 = 13334^2 + 30172^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1088145097 and 1088145106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7922 + ... + 47318.

It is an arithmetic number, because the mean of its divisors is an integer number (95284063).

Almost surely, 2^1088145140 is an apocalyptic number.

1088145140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1088145140 is an abundant number, since it is smaller than the sum of its proper divisors (1198672372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1088145140 is a wasteful number, since it uses less digits than its factorization.

1088145140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40787 (or 40785 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 1088145140 is about 32987.0450328610. The cubic root of 1088145140 is about 1028.5583690104.

The spelling of 1088145140 in words is "one billion, eighty-eight million, one hundred forty-five thousand, one hundred forty".