1150223540 has 24 divisors (see below), whose sum is σ = 2442613320. Its totient is φ = 454919168.

The previous prime is 1150223531. The next prime is 1150223561. The reversal of 1150223540 is 453220511.

It can be written as a sum of positive squares in 4 ways, for example, as 20994724 + 1129228816 = 4582^2 + 33604^2 .

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, 321317 + ... + 324876.

It is an arithmetic number, because the mean of its divisors is an integer number (101775555).

Almost surely, 2^1150223540 is an apocalyptic number.

1150223540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1150223540 is an abundant number, since it is smaller than the sum of its proper divisors (1292389780).

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

1150223540 is a wasteful number, since it uses less digits than its factorization.

1150223540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646291 (or 646289 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1150223540 is about 33914.9456729625. The cubic root of 1150223540 is about 1047.7574329831.

The spelling of 1150223540 in words is "one billion, one hundred fifty million, two hundred twenty-three thousand, five hundred forty".