1045178280 has 48 divisors (see below), whose sum is σ = 3396830580. Its totient is φ = 278714112.

The previous prime is 1045178261. The next prime is 1045178293. The reversal of 1045178280 is 828715401.

1045178280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 933791364 + 111386916 = 30558^2 + 10554^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1451277 + ... + 1451996.

Almost surely, 2^1045178280 is an apocalyptic number.

1045178280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045178280 is an abundant number, since it is smaller than the sum of its proper divisors (2351652300).

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

1045178280 is a wasteful number, since it uses less digits than its factorization.

1045178280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903290 (or 2903283 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 1045178280 is about 32329.2171263085. The cubic root of 1045178280 is about 1014.8381665026.

The spelling of 1045178280 in words is "one billion, forty-five million, one hundred seventy-eight thousand, two hundred eighty".