1145044670 has 32 divisors (see below), whose sum is σ = 2569660416. Its totient is φ = 356896800.

The previous prime is 1145044657. The next prime is 1145044697. The reversal of 1145044670 is 764405411.

It is a super-2 number, since 2×1145044670² = 2622254592590817800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 742766 + ... + 744305.

It is an arithmetic number, because the mean of its divisors is an integer number (80301888).

Almost surely, 2^1145044670 is an apocalyptic number.

1145044670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145044670 is an abundant number, since it is smaller than the sum of its proper divisors (1424615746).

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

1145044670 is a wasteful number, since it uses less digits than its factorization.

1145044670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487096.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 1145044670 is about 33838.5086846333. The cubic root of 1145044670 is about 1046.1825612058.

The spelling of 1145044670 in words is "one billion, one hundred forty-five million, forty-four thousand, six hundred seventy".