1145125378 has 8 divisors (see below), whose sum is σ = 1776918780. Its totient is φ = 552819120.

The previous prime is 1145125369. The next prime is 1145125379. The reversal of 1145125378 is 8735215411.

It can be written as a sum of positive squares in 2 ways, for example, as 1140210289 + 4915089 = 33767^2 + 2217^2 .

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

It is a super-2 number, since 2×1145125378² = 2622624262679285768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145125379) 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, 9871713 + ... + 9871828.

Almost surely, 2^1145125378 is an apocalyptic number.

1145125378 is a deficient number, since it is larger than the sum of its proper divisors (631793402).

1145125378 is a wasteful number, since it uses less digits than its factorization.

1145125378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19743572.

The product of its digits is 33600, while the sum is 37.

The square root of 1145125378 is about 33839.7012102648. The cubic root of 1145125378 is about 1046.2071405434.

The spelling of 1145125378 in words is "one billion, one hundred forty-five million, one hundred twenty-five thousand, three hundred seventy-eight".