1145280964 has 9 divisors (see below), whose sum is σ = 2004360141. Its totient is φ = 572606640.

The previous prime is 1145280937. The next prime is 1145281001. The reversal of 1145280964 is 4690825411.

The square root of 1145280964 is 33842.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 821280964 + 324000000 = 28658^2 + 18000^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 59224 + ... + 76144.

Almost surely, 2^1145280964 is an apocalyptic number.

1145280964 is the 33842-nd square number.

It is an amenable number.

1145280964 is a deficient number, since it is larger than the sum of its proper divisors (859079177).

1145280964 is an frugal number, since it uses more digits than its factorization.

1145280964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33846 (or 16923 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The cubic root of 1145280964 is about 1046.2545204536.

It can be divided in two parts, 11452 and 80964, that added together give a square (92416 = 304²).

The spelling of 1145280964 in words is "one billion, one hundred forty-five million, two hundred eighty thousand, nine hundred sixty-four".