1145888016 has 80 divisors (see below), whose sum is σ = 3643350144. Its totient is φ = 302211072.

The previous prime is 1145887987. The next prime is 1145888017. The reversal of 1145888016 is 6108885411.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1145888017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126801 + ... + 135536.

Almost surely, 2^1145888016 is an apocalyptic number.

1145888016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1145888016 is an abundant number, since it is smaller than the sum of its proper divisors (2497462128).

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

1145888016 is a wasteful number, since it uses less digits than its factorization.

1145888016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262368 (or 262362 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 42.

The square root of 1145888016 is about 33850.9677261965. The cubic root of 1145888016 is about 1046.4393422676.

The spelling of 1145888016 in words is "one billion, one hundred forty-five million, eight hundred eighty-eight thousand, sixteen".