43135451145 has 12 divisors (see below), whose sum is σ = 74768115396. Its totient is φ = 23005573920.

The previous prime is 43135451141. The next prime is 43135451147. The reversal of 43135451145 is 54115453134.

43135451145 is a `hidden beast` number, since 4 + 3 + 135 + 4 + 511 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8921180304 + 34214270841 = 94452^2 + 184971^2 .

It is not a de Polignac number, because 43135451145 - 2² = 43135451141 is a prime.

It is a super-2 number, since 2×43135451145² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43135451141) 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 11 ways as a sum of consecutive naturals, for example, 479282746 + ... + 479282835.

It is an arithmetic number, because the mean of its divisors is an integer number (6230676283).

Almost surely, 2^43135451145 is an apocalyptic number.

43135451145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

43135451145 is a deficient number, since it is larger than the sum of its proper divisors (31632664251).

43135451145 is a wasteful number, since it uses less digits than its factorization.

43135451145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958565592 (or 958565589 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The spelling of 43135451145 in words is "forty-three billion, one hundred thirty-five million, four hundred fifty-one thousand, one hundred forty-five".