45126081 has 48 divisors (see below), whose sum is σ = 87534720. Its totient is φ = 21634560.

The previous prime is 45126077. The next prime is 45126089. The reversal of 45126081 is 18062154.

45126081 is a `hidden beast` number, since 4 + 51 + 2 + 608 + 1 = 666.

It is not a de Polignac number, because 45126081 - 2² = 45126077 is a prime.

It is a super-2 number, since 2×45126081² = 4072726372837122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45126089) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6505 + ... + 11513.

It is an arithmetic number, because the mean of its divisors is an integer number (1823640).

Almost surely, 2^45126081 is an apocalyptic number.

It is an amenable number.

45126081 is a deficient number, since it is larger than the sum of its proper divisors (42408639).

45126081 is a wasteful number, since it uses less digits than its factorization.

45126081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5046 (or 5043 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 45126081 is about 6717.5948820988. The cubic root of 45126081 is about 356.0212108096.

The spelling of 45126081 in words is "forty-five million, one hundred twenty-six thousand, eighty-one".