1145365416 has 96 divisors (see below), whose sum is σ = 3353805000. Its totient is φ = 351032832.

The previous prime is 1145365409. The next prime is 1145365423. The reversal of 1145365416 is 6145635411.

1145365416 is a `hidden beast` number, since 114 + 536 + 5 + 4 + 1 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1145365409) and next prime (1145365423).

It can be written as a sum of positive squares in 4 ways, for example, as 637764516 + 507600900 = 25254^2 + 22530^2 .

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 23 ways as a sum of consecutive naturals, for example, 249510 + ... + 254058.

Almost surely, 2^1145365416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145365416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1676902500).

1145365416 is an abundant number, since it is smaller than the sum of its proper divisors (2208439584).

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

1145365416 is a wasteful number, since it uses less digits than its factorization.

1145365416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4843 (or 4836 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 1145365416 is about 33843.2477164943. The cubic root of 1145365416 is about 1046.2802364475.

The spelling of 1145365416 in words is "one billion, one hundred forty-five million, three hundred sixty-five thousand, four hundred sixteen".