1145355012 has 48 divisors (see below), whose sum is σ = 3098551680. Its totient is φ = 365184864.

The previous prime is 1145354999. The next prime is 1145355019. The reversal of 1145355012 is 2105535411.

1145355012 is a `hidden beast` number, since 114 + 535 + 5 + 0 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1145355019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228063 + ... + 233030.

It is an arithmetic number, because the mean of its divisors is an integer number (64553160).

Almost surely, 2^1145355012 is an apocalyptic number.

1145355012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1145355012 is an abundant number, since it is smaller than the sum of its proper divisors (1953196668).

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

1145355012 is a wasteful number, since it uses less digits than its factorization.

1145355012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461129 (or 461121 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1145355012 is about 33843.0940074929. The cubic root of 1145355012 is about 1046.2770684535.

The spelling of 1145355012 in words is "one billion, one hundred forty-five million, three hundred fifty-five thousand, twelve".