1145495520 has 360 divisors, whose sum is σ = 4385908296. Its totient is φ = 281428992.

The previous prime is 1145495501. The next prime is 1145495537. The reversal of 1145495520 is 255945411.

1145495520 is a `hidden beast` number, since 1 + 1 + 45 + 4 + 95 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2189979 + ... + 2190501.

Almost surely, 2^1145495520 is an apocalyptic number.

1145495520 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 1145495520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2192954148).

1145495520 is an abundant number, since it is smaller than the sum of its proper divisors (3240412776).

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

1145495520 is a wasteful number, since it uses less digits than its factorization.

1145495520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 1145495520 is about 33845.1698178632. The cubic root of 1145495520 is about 1046.3198511964.

The spelling of 1145495520 in words is "one billion, one hundred forty-five million, four hundred ninety-five thousand, five hundred twenty".