1145005770 has 64 divisors (see below), whose sum is σ = 2905943040. Its totient is φ = 288268800.

The previous prime is 1145005747. The next prime is 1145005787. The reversal of 1145005770 is 775005411.

1145005770 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×1145005770³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23116 + ... + 53144.

It is an arithmetic number, because the mean of its divisors is an integer number (45405360).

Almost surely, 2^1145005770 is an apocalyptic number.

1145005770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145005770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1452971520).

1145005770 is an abundant number, since it is smaller than the sum of its proper divisors (1760937270).

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

1145005770 is a wasteful number, since it uses less digits than its factorization.

1145005770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30111.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 1145005770 is about 33837.9338908273. The cubic root of 1145005770 is about 1046.1707139351.

The spelling of 1145005770 in words is "one billion, one hundred forty-five million, five thousand, seven hundred seventy".