1145378 has 8 divisors (see below), whose sum is σ = 1850268. Its totient is φ = 528624.

The previous prime is 1145371. The next prime is 1145381. The reversal of 1145378 is 8735411.

It can be written as a sum of positive squares in 2 ways, for example, as 1138489 + 6889 = 1067^2 + 83^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1145378.

It is not an unprimeable number, because it can be changed into a prime (1145371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22001 + ... + 22052.

2^1145378 is an apocalyptic number.

1145378 is a deficient number, since it is larger than the sum of its proper divisors (704890).

1145378 is a wasteful number, since it uses less digits than its factorization.

1145378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44068.

The product of its digits is 3360, while the sum is 29.

The square root of 1145378 is about 1070.2233411770. The cubic root of 1145378 is about 104.6284068221.

The spelling of 1145378 in words is "one million, one hundred forty-five thousand, three hundred seventy-eight".