1145062800 has 180 divisors, whose sum is σ = 4541455360. Its totient is φ = 261722880.

The previous prime is 1145062783. The next prime is 1145062811. The reversal of 1145062800 is 82605411.

It is a tau number, because it is divible by the number of its divisors (180).

It is a super-2 number, since 2×1145062800² = 2622337631887680000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2481 + ... + 47919.

Almost surely, 2^1145062800 is an apocalyptic number.

1145062800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145062800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2270727680).

1145062800 is an abundant number, since it is smaller than the sum of its proper divisors (3396392560).

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

1145062800 is a wasteful number, since it uses less digits than its factorization.

1145062800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45470 (or 45456 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 1145062800 is about 33838.7765736293. The cubic root of 1145062800 is about 1046.1880827341.

The spelling of 1145062800 in words is "one billion, one hundred forty-five million, sixty-two thousand, eight hundred".