1145831270 has 16 divisors (see below), whose sum is σ = 2071506960. Its totient is φ = 456330144.

The previous prime is 1145831261. The next prime is 1145831303. The reversal of 1145831270 is 721385411.

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, 247892 + ... + 252471.

It is an arithmetic number, because the mean of its divisors is an integer number (129469185).

Almost surely, 2^1145831270 is an apocalyptic number.

1145831270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145831270 is a deficient number, since it is larger than the sum of its proper divisors (925675690).

1145831270 is a wasteful number, since it uses less digits than its factorization.

1145831270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500599.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1145831270 is about 33850.1295418496. The cubic root of 1145831270 is about 1046.4220682622.

The spelling of 1145831270 in words is "one billion, one hundred forty-five million, eight hundred thirty-one thousand, two hundred seventy".