1145408 has 28 divisors (see below), whose sum is σ = 2481072. Its totient is φ = 520320.

The previous prime is 1145393. The next prime is 1145411. The reversal of 1145408 is 8045411.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110 + ... + 1517.

2^1145408 is an apocalyptic number.

It is an amenable number.

1145408 is an abundant number, since it is smaller than the sum of its proper divisors (1335664).

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

1145408 is a wasteful number, since it uses less digits than its factorization.

1145408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650 (or 1640 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1145408 is about 1070.2373568513. The cubic root of 1145408 is about 104.6293202978.

The spelling of 1145408 in words is "one million, one hundred forty-five thousand, four hundred eight".