1145448 has 32 divisors (see below), whose sum is σ = 3182400. Its totient is φ = 381744.

The previous prime is 1145429. The next prime is 1145461. The reversal of 1145448 is 8445411.

It is a happy number.

1145448 is a `hidden beast` number, since 114 + 544 + 8 = 666.

It is a super-2 number, since 2×1145448² = 2624102241408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

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, 2436 + ... + 2867.

It is an arithmetic number, because the mean of its divisors is an integer number (99450).

2^1145448 is an apocalyptic number.

1145448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1145448 is an abundant number, since it is smaller than the sum of its proper divisors (2036952).

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

1145448 is a wasteful number, since it uses less digits than its factorization.

1145448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5318 (or 5308 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 1145448 is about 1070.2560441315. The cubic root of 1145448 is about 104.6305382405.

1145448 divided by its sum of digits (27) gives a palindrome (42424).

The spelling of 1145448 in words is "one million, one hundred forty-five thousand, four hundred forty-eight".